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+        <p><strong><em>论文来源：</em></strong>USENIX SECURITY 2018<br><strong><em>下载：</em></strong><br><a href="https://www.usenix.org/conference/usenixsecurity18/presentation/feng" target="_blank" rel="noopener">原文pdf</a><br><a href="https://res.cloudinary.com/dozyfkbg3/raw/upload/v1553314438/ARE/Rule-based_engine.pptx" target="_blank" rel="noopener">中文slides</a></p>
+<h2 id="论文解读"><a href="#论文解读" class="headerlink" title="论文解读"></a>论文解读</h2><h3 id="1-概要："><a href="#1-概要：" class="headerlink" title="1.    概要："></a>1.    概要：</h3><ul>
+<li>物联网（IoT）设备的快速增长的格局为其管理和安全性带来了重大的技术挑战，因为这些物联网设备来自不同的设备类型，供应商和产品模型。</li>
+<li>物联网设备的发现是表征，监控和保护这些设备的先决条件。然而，手动设备注释阻碍了大规模发现，并且基于机器学习的设备分类需要具有标签的大型训练数据。因此，大规模的自动设备发现和注释仍然是物联网中的一个悬而未决的问题。</li>
+<li>这篇文章提出了一种基于采集规则的引擎（ARE），它可以自动生成用于在没有任何训练数据的情况下发现和注释物联网设备的规则。ARE通过利用来自物联网设备的应用层响应数据和相关网站中的产品描述来构建设备规则，以进行设备注释。我们将事务定义为对产品描述的唯一响应之间的映射。</li>
+<li>为了收集交易集，ARE提取响应数据中的相关术语作为抓取网站的搜索查询。ARE使用关联算法以（类型，供应商和产品）的形式生成物联网设备注释的规则。我们进行实验和三个应用程序来验证ARE的有效性。</li>
+</ul>
+<h3 id="2-背景与动机："><a href="#2-背景与动机：" class="headerlink" title="2.    背景与动机："></a>2.    背景与动机：</h3><ul>
+<li>物联网蓬勃发展，造就了物联网设备的广泛应用，它不仅种类繁多，包括摄像头、打印机、路由器、电视盒子、工控系统、医疗设备等，而且数量庞大，据统计，每天就会新增5500000台物联网设备。</li>
+<li>但是由于设备脆弱、缺乏管理和配置不当，物联网设备相比传统计算机要更不安全，比如之前爆发的Mirai僵尸网络，给美国造成了重大的损失。因此，为了更主动地保护IOT设备，提前发现、登记和注释物联网设备成为先决条件。</li>
+<li>设备注释的内容通常为“设备类型(e.g.,routers) + 供应商(e.g.,CISCO) + 产品型号(e.g.,TV-IP302P)”，传统生成设备注释的方法有基于指纹的，也有使用标志获取的，前者对数据集和大量设备模型的要求很高，而后者需要专业知识的人工方式，因此不可能用于大规模注释而且很难去维护更新。</li>
+</ul>
+<p><img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553313806/ARE/1.png" alt></p>
+<p>所以，作者希望提出一种减少对数据集和人工依赖的注释方式。本文的方法主要基于两个事实，第一个Figure 1是制造商通常会将相关信息硬编码到IOT设备，第二个Figure 2是有许多网站（如产品测评）会描述设备产品。从第一个事实，我们可以从应用层数据包获取关键词，然后根据这些关键词依据第二个事实进行网页爬虫，以获取网页上的相关描述，然后对这些描述进行自然语言处理和数据挖掘，从而建立起基于规则的映射。</p>
+<h3 id="3-核心工作—Rule-Miner："><a href="#3-核心工作—Rule-Miner：" class="headerlink" title="3.    核心工作—Rule Miner："></a>3.    核心工作—Rule Miner：</h3><p><img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553313904/ARE/2.png" alt></p>
+<p>  Rule Miner由三个部分构成，Transaction set是一对由应用层数据和相关网页组成的文本单元，它生成了一种规则： ，其中A是从应用层数据包中提取的一些特征，B是从相关网页抓取的设备描述；Device entity recognition结合了基于语料库的NER和基于规则的NER(命名实体识别)，前者解决了设备类型和供应商名，后者使用正则表达式识别出产品型号。但是由于一个不相干的网页也可能包含设备类型的关键词(如switch)，以及一个短语可能因为满足正则表达式而被认为是型号所以表现并不好，但好在实体与实体之间具有很高的依赖性，这三个元素常常一起出现。数据挖掘算法Apriori algorithm用于从Transaction中学习“关系”。</p>
+<h3 id="4-完整架构和应用"><a href="#4-完整架构和应用" class="headerlink" title="4.    完整架构和应用"></a>4.    完整架构和应用</h3><p> <img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553313904/ARE/4.png" alt></p>
+<p>完整的ARE除了核心Rule Miner之外，还有Transaction Collection用于收集响应数据和网络爬虫，Rule Library用于存储生成的规则，Planner用于更新规则。<br>作者主要将ARE应用于三个方面，一是互联网范围的设备测量统计，二是对受损设备进行检测，三是对易受攻击的设备进行分析。<br><img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553313946/ARE/6.png" alt><br>之后对ARE的效果与Nmap进行比较和评估，从产生规则的数量、规则的准确率和覆盖率、动态学习规则的能力以及时间代价，ARE都要优于Nmap。<br><img src="https://res.cloudinary.com/dozyfkbg3/image/upload/v1553313805/ARE/5.png" alt></p>
+<h3 id="5-工作总结："><a href="#5-工作总结：" class="headerlink" title="5.    工作总结："></a>5.    工作总结：</h3><ul>
+<li>提出ARE的框架：不需要数据集和人工干预，自动生成用于IOT设备识别的规则。</li>
+<li>实现了ARE的原型并评估了它的效果：ARE在一周内生成了大量的规则，而且IOT设备识别的细粒度超过现有工具。</li>
+<li>应用于三个场景中，主要发现有：大量IOT设备在互联网中可以抵达；成千上万的IOT设备易受攻击且暴露给了公众。</li>
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+                var articleUrl = decodeURIComponent(data.url);
+                var indexOfTitle = [];
+                var indexOfContent = [];
+                // only match articles with not empty titles
+                if(title != '') {
+                  keywords.forEach(function(keyword) {
+                    function getIndexByWord(word, text, caseSensitive) {
+                      var wordLen = word.length;
+                      if (wordLen === 0) {
+                        return [];
+                      }
+                      var startPosition = 0, position = [], index = [];
+                      if (!caseSensitive) {
+                        text = text.toLowerCase();
+                        word = word.toLowerCase();
+                      }
+                      while ((position = text.indexOf(word, startPosition)) > -1) {
+                        index.push({position: position, word: word});
+                        startPosition = position + wordLen;
+                      }
+                      return index;
+                    }
+
+                    indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
+                  });
+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
+                    isMatch = true;
+                    hitCount = indexOfTitle.length + indexOfContent.length;
+                  }
+                }
+
+                // show search results
+
+                if (isMatch) {
+                  // sort index by position of keyword
+
+                  [indexOfTitle, indexOfContent].forEach(function (index) {
+                    index.sort(function (itemLeft, itemRight) {
+                      if (itemRight.position !== itemLeft.position) {
+                        return itemRight.position - itemLeft.position;
+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
+                      }
+                    });
+                  });
+
+                  // merge hits into slices
+
+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
+                      if (word === searchText) {
+                        searchTextCountInSlice++;
+                      }
+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
+
+                      // move to next position of hit
+
+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
+                        } else {
+                          break;
+                        }
+                      }
+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
+                      start = 0;
+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
+                    }
+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
+
+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
+
+                  resultItem += "</li>";
+                  resultItems.push({
+                    item: resultItem,
+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
+                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
+                  return resultRight.searchTextCount - resultLeft.searchTextCount;
+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
+                  return resultRight.hitCount - resultLeft.hitCount;
+                } else {
+                  return resultRight.id - resultLeft.id;
+                }
+              });
+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
+              })
+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
+            }
+          }
+
+          if ('auto' === 'auto') {
+            input.addEventListener('input', inputEventFunction);
+          } else {
+            $('.search-icon').click(inputEventFunction);
+            input.addEventListener('keypress', function (event) {
+              if (event.keyCode === 13) {
+                inputEventFunction();
+              }
+            });
+          }
+
+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
+        }
+      });
+    }
+
+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
+        searchFunc(path, 'local-search-input', 'local-search-result');
+      } else {
+        proceedsearch();
+      };
+    });
+
+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
+      e.stopPropagation();
+    });
+    $(document).on('keyup', function (event) {
+      var shouldDismissSearchPopup = event.which === 27 &&
+        $('.search-popup').is(':visible');
+      if (shouldDismissSearchPopup) {
+        onPopupClose();
+      }
+    });
+  </script>
+
+
+
+
+
+  
+
+  
+  <script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
+  <script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
+  <script>
+    function showTime(Counter) {
+      var query = new AV.Query(Counter);
+      var entries = [];
+      var $visitors = $(".leancloud_visitors");
+
+      $visitors.each(function () {
+        entries.push( $(this).attr("id").trim() );
+      });
+
+      query.containedIn('url', entries);
+      query.find()
+        .done(function (results) {
+          var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
+
+          if (results.length === 0) {
+            $visitors.find(COUNT_CONTAINER_REF).text(0);
+            return;
+          }
+
+          for (var i = 0; i < results.length; i++) {
+            var item = results[i];
+            var url = item.get('url');
+            var time = item.get('time');
+            var element = document.getElementById(url);
+
+            $(element).find(COUNT_CONTAINER_REF).text(time);
+          }
+          for(var i = 0; i < entries.length; i++) {
+            var url = entries[i];
+            var element = document.getElementById(url);
+            var countSpan = $(element).find(COUNT_CONTAINER_REF);
+            if( countSpan.text() == '') {
+              countSpan.text(0);
+            }
+          }
+        })
+        .fail(function (object, error) {
+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
+
+      query.equalTo("url", url);
+      query.find({
+        success: function(results) {
+          if (results.length > 0) {
+            var counter = results[0];
+            counter.fetchWhenSave(true);
+            counter.increment("time");
+            counter.save(null, {
+              success: function(counter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(counter.get('time'));
+              },
+              error: function(counter, error) {
+                console.log('Failed to save Visitor num, with error message: ' + error.message);
+              }
+            });
+          } else {
+            var newcounter = new Counter();
+            /* Set ACL */
+            var acl = new AV.ACL();
+            acl.setPublicReadAccess(true);
+            acl.setPublicWriteAccess(true);
+            newcounter.setACL(acl);
+            /* End Set ACL */
+            newcounter.set("title", title);
+            newcounter.set("url", url);
+            newcounter.set("time", 1);
+            newcounter.save(null, {
+              success: function(newcounter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(newcounter.get('time'));
+              },
+              error: function(newcounter, error) {
+                console.log('Failed to create');
+              }
+            });
+          }
+        },
+        error: function(error) {
+          console.log('Error:' + error.code + " " + error.message);
+        }
+      });
+    }
+
+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
+        addCount(Counter);
+      } else if ($('.post-title-link').length > 1) {
+        showTime(Counter);
+      }
+    });
+  </script>
+
+
+
+  
+
+  
+
+  
+  
+
+  
+
+  
+
+  
+
+</body>
+</html>
diff --git a/about/index.html b/about/index.html
index 5e81aa91..0c4f703e 100644
--- a/about/index.html
+++ b/about/index.html
@@ -357,7 +357,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -379,7 +379,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -456,7 +456,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2000/01/index.html b/archives/2000/01/index.html
index 6aef5c7d..63e2f3de 100644
--- a/archives/2000/01/index.html
+++ b/archives/2000/01/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -387,7 +387,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -486,7 +486,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2000/index.html b/archives/2000/index.html
index a86e9177..4bf2fb03 100644
--- a/archives/2000/index.html
+++ b/archives/2000/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -387,7 +387,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -486,7 +486,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2018/11/index.html b/archives/2018/11/index.html
index 1ba63919..fdc18124 100644
--- a/archives/2018/11/index.html
+++ b/archives/2018/11/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -387,7 +387,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -486,7 +486,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2018/index.html b/archives/2018/index.html
index f1c304c1..56339166 100644
--- a/archives/2018/index.html
+++ b/archives/2018/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -387,7 +387,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -486,7 +486,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2019/01/index.html b/archives/2019/01/index.html
index af33bc7d..98b13d01 100644
--- a/archives/2019/01/index.html
+++ b/archives/2019/01/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -387,7 +387,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -486,7 +486,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2019/02/index.html b/archives/2019/02/index.html
index 6cbca00a..2760eff2 100644
--- a/archives/2019/02/index.html
+++ b/archives/2019/02/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -387,7 +387,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -409,7 +409,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -486,7 +486,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2019/03/index.html b/archives/2019/03/index.html
index 150ed1c8..9b8d2a93 100644
--- a/archives/2019/03/index.html
+++ b/archives/2019/03/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -308,6 +308,41 @@
 
         
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/23/基于规则引擎发现IOT设备/" itemprop="url">
+              
+                <span itemprop="name">基于规则引擎发现IOT设备</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-23T11:52:06+08:00" content="2019-03-23">
+          03-23
+        </time>
+      </div>
+
+    </header>
+  </article>
+
+
+
+      
+
+        
+        
+        
+
+        
+        
+
+        
+
   <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -387,7 +422,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -409,7 +444,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -486,7 +521,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/2019/index.html b/archives/2019/index.html
index ff638631..47e19500 100644
--- a/archives/2019/index.html
+++ b/archives/2019/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -308,6 +308,41 @@
 
         
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/23/基于规则引擎发现IOT设备/" itemprop="url">
+              
+                <span itemprop="name">基于规则引擎发现IOT设备</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-23T11:52:06+08:00" content="2019-03-23">
+          03-23
+        </time>
+      </div>
+
+    </header>
+  </article>
+
+
+
+      
+
+        
+        
+        
+
+        
+        
+
+        
+
   <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -457,7 +492,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -479,7 +514,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -556,7 +591,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/archives/index.html b/archives/index.html
index 41553351..71b6667f 100644
--- a/archives/index.html
+++ b/archives/index.html
@@ -289,7 +289,7 @@
         
           
         
-        嗯..! 目前共计 5 篇日志。 继续努力。
+        嗯..! 目前共计 6 篇日志。 继续努力。
       </span>
 
       
@@ -308,6 +308,41 @@
 
         
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/23/基于规则引擎发现IOT设备/" itemprop="url">
+              
+                <span itemprop="name">基于规则引擎发现IOT设备</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-23T11:52:06+08:00" content="2019-03-23">
+          03-23
+        </time>
+      </div>
+
+    </header>
+  </article>
+
+
+
+      
+
+        
+        
+        
+
+        
+        
+
+        
+
   <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -537,7 +572,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -559,7 +594,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -636,7 +671,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/baidusitemap.xml b/baidusitemap.xml
index a746022f..ff75a0c7 100644
--- a/baidusitemap.xml
+++ b/baidusitemap.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
+    <loc>https://cool-y.github.io/2019/03/23/%E5%9F%BA%E4%BA%8E%E8%A7%84%E5%88%99%E5%BC%95%E6%93%8E%E5%8F%91%E7%8E%B0IOT%E8%AE%BE%E5%A4%87/</loc>
+    <lastmod>2019-03-23</lastmod>
+  </url>  <url>
     <loc>https://cool-y.github.io/2019/02/22/qq%E6%95%B0%E6%8D%AE%E5%BA%93%E7%9A%84%E5%8A%A0%E5%AF%86%E8%A7%A3%E5%AF%86/</loc>
     <lastmod>2019-03-22</lastmod>
   </url>  <url>
diff --git a/categories/IOT/index.html b/categories/IOT/index.html
index b154a8a9..7b6cd800 100644
--- a/categories/IOT/index.html
+++ b/categories/IOT/index.html
@@ -368,7 +368,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -390,7 +390,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -467,7 +467,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/categories/index.html b/categories/index.html
index d74adf05..110dfa11 100644
--- a/categories/index.html
+++ b/categories/index.html
@@ -301,7 +301,7 @@
                 目前共计 4 个分类
             </div>
             <div class="category-all">
-              <ul class="category-list"><li class="category-list-item"><a class="category-list-link" href="/categories/IOT/">IOT</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/加密解密/">加密解密</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/理论学习/">理论学习</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/顶会论文/">顶会论文</a><span class="category-list-count">1</span></li></ul>
+              <ul class="category-list"><li class="category-list-item"><a class="category-list-link" href="/categories/IOT/">IOT</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/加密解密/">加密解密</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/理论学习/">理论学习</a><span class="category-list-count">1</span></li><li class="category-list-item"><a class="category-list-link" href="/categories/顶会论文/">顶会论文</a><span class="category-list-count">2</span></li></ul>
             </div>
           </div>
         
@@ -359,7 +359,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -381,7 +381,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -458,7 +458,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/categories/加密解密/index.html b/categories/加密解密/index.html
index 41234b40..40c509ad 100644
--- a/categories/加密解密/index.html
+++ b/categories/加密解密/index.html
@@ -368,7 +368,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -390,7 +390,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -467,7 +467,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/categories/理论学习/index.html b/categories/理论学习/index.html
index f807e25e..55e4bde7 100644
--- a/categories/理论学习/index.html
+++ b/categories/理论学习/index.html
@@ -368,7 +368,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -390,7 +390,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -467,7 +467,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/categories/顶会论文/index.html b/categories/顶会论文/index.html
index b2e9c159..48c7e96b 100644
--- a/categories/顶会论文/index.html
+++ b/categories/顶会论文/index.html
@@ -290,6 +290,32 @@
       
         
 
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/23/基于规则引擎发现IOT设备/" itemprop="url">
+              
+                <span itemprop="name">基于规则引擎发现IOT设备</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-23T11:52:06+08:00" content="2019-03-23">
+          03-23
+        </time>
+      </div>
+
+    </header>
+  </article>
+
+
+      
+        
+
   <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -368,7 +394,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -390,7 +416,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -467,7 +493,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/css/main.css b/css/main.css
index d8f9d64a..8d29c514 100644
--- a/css/main.css
+++ b/css/main.css
@@ -189,7 +189,7 @@ body {
   font-size: 14px;
   line-height: 2;
   color: #555;
-  background: #fff;
+  background: #eee;
 }
 @media (max-width: 767px) {
   body {
@@ -445,7 +445,7 @@ body {
 .header-inner {
   margin: 0 auto;
   padding: 100px 0 70px;
-  width: 700px;
+  width: calc(100% - 252px);
 }
 @media (min-width: 1600px) {
   .container .header-inner {
@@ -457,7 +457,7 @@ body {
 }
 .main-inner {
   margin: 0 auto;
-  width: 700px;
+  width: calc(100% - 252px);
 }
 @media (min-width: 1600px) {
   .container .main-inner {
@@ -474,7 +474,7 @@ body {
 .footer-inner {
   box-sizing: border-box;
   margin: 20px auto;
-  width: 700px;
+  width: calc(100% - 252px);
 }
 @media (min-width: 1600px) {
   .container .footer-inner {
@@ -653,8 +653,8 @@ pre .javascript .function {
 @media (min-width: 992px) {
   .full-image.full-image.full-image.full-image {
     max-width: none;
-    width: 110%;
-    margin: 25px -5%;
+    width: 118%;
+    margin: 0 -9%;
   }
 }
 .blockquote-center,
@@ -940,11 +940,11 @@ pre .javascript .function {
   display: inline-block;
   padding: 0 20px;
   font-size: 14px;
-  color: #fff;
-  background: #222;
-  border: 2px solid #222;
+  color: #555;
+  background: #fff;
+  border: 2px solid #555;
   text-decoration: none;
-  border-radius: 0;
+  border-radius: 2px;
   transition-property: background-color;
   transition-duration: 0.2s;
   transition-timing-function: ease-in-out;
@@ -953,8 +953,8 @@ pre .javascript .function {
 }
 .btn:hover {
   border-color: #222;
-  color: #222;
-  background: #fff;
+  color: #fff;
+  background: #222;
 }
 .btn +.btn {
   margin: 0 0 8px 8px;
@@ -1066,7 +1066,7 @@ pre .javascript .function {
   width: 24px;
   background: #222;
   font-size: 12px;
-  opacity: 1;
+  opacity: 0.6;
   color: #fff;
   cursor: pointer;
   text-align: center;
@@ -1087,7 +1087,7 @@ pre .javascript .function {
   }
 }
 .back-to-top.back-to-top-on {
-  bottom: 19px;
+  bottom: 30px;
 }
 .header {
   background: transparent;
@@ -1136,7 +1136,7 @@ pre .javascript .function {
 .site-subtitle {
   margin-top: 10px;
   font-size: 13px;
-  color: #999;
+  color: #ddd;
 }
 .use-motion .brand {
   opacity: 0;
@@ -1209,7 +1209,8 @@ pre .javascript .function {
   transition-timing-function: ease-in-out;
   transition-delay: 0s;
 }
-.menu .menu-item a:hover {
+.menu .menu-item a:hover,
+.menu-item-active a {
   border-bottom-color: #222;
 }
 .menu .menu-item .fa {
@@ -1858,20 +1859,20 @@ pre .javascript .function {
   display: block;
   margin: 0 auto;
   padding: 2px;
-  max-width: 96px;
+  max-width: 120px;
   height: auto;
-  border: 2px solid #333;
+  border: 1px solid #eee;
 }
 .site-author-name {
-  margin: 5px 0 0;
+  margin: 0;
   text-align: center;
-  color: #f5f5f5;
-  font-weight: normal;
+  color: #222;
+  font-weight: 600;
 }
 .site-description {
-  margin-top: 5px;
+  margin-top: 0;
   text-align: center;
-  font-size: 14px;
+  font-size: 13px;
   color: #999;
 }
 .site-state {
@@ -1883,7 +1884,7 @@ pre .javascript .function {
 .site-state-item {
   display: inline-block;
   padding: 0 15px;
-  border-left: 1px solid #333;
+  border-left: 1px solid #eee;
 }
 .site-state-item:first-child {
   border-left: none;
@@ -1896,11 +1897,11 @@ pre .javascript .function {
   text-align: center;
   color: inherit;
   font-weight: 600;
-  font-size: 18px;
+  font-size: 16px;
 }
 .site-state-item-name {
   font-size: 13px;
-  color: inherit;
+  color: #999;
 }
 .feed-link {
   margin-top: 20px;
@@ -1942,7 +1943,7 @@ pre .javascript .function {
   width: 4px;
   height: 4px;
   border-radius: 50%;
-  background: #32ff20;
+  background: #a4de16;
 }
 .links-of-blogroll {
   font-size: 13px;
@@ -1980,7 +1981,7 @@ pre .javascript .function {
   color: #555;
 }
 .sidebar-nav li:hover {
-  color: #f5f5f5;
+  color: #fc6423;
 }
 .page-post-detail .sidebar-nav-toc {
   padding: 0 5px;
@@ -1989,11 +1990,11 @@ pre .javascript .function {
   margin-left: 10px;
 }
 .sidebar-nav .sidebar-nav-active {
-  color: #87daff;
-  border-bottom-color: #87daff;
+  color: #fc6423;
+  border-bottom-color: #fc6423;
 }
 .sidebar-nav .sidebar-nav-active:hover {
-  color: #87daff;
+  color: #fc6423;
 }
 .sidebar-panel {
   display: none;
@@ -2026,12 +2027,12 @@ pre .javascript .function {
   transition-timing-function: ease-in-out;
   transition-delay: 0s;
   transition-property: all;
-  color: #999;
-  border-bottom-color: #555;
+  color: #666;
+  border-bottom-color: #ccc;
 }
 .post-toc ol a:hover {
-  color: #ccc;
-  border-bottom-color: #ccc;
+  color: #000;
+  border-bottom-color: #000;
 }
 .post-toc .nav-item {
   overflow: hidden;
@@ -2053,14 +2054,14 @@ pre .javascript .function {
   display: block;
 }
 .post-toc .nav .active > a {
-  color: #87daff;
-  border-bottom-color: #87daff;
+  color: #fc6423;
+  border-bottom-color: #fc6423;
 }
 .post-toc .nav .active-current > a {
-  color: #87daff;
+  color: #fc6423;
 }
 .post-toc .nav .active-current > a:hover {
-  color: #87daff;
+  color: #fc6423;
 }
 .footer {
   font-size: 14px;
@@ -2713,85 +2714,545 @@ pre .javascript .function {
   }
 }
 .page-post-detail .sidebar-toggle-line {
-  background: #87daff;
+  background: #fc6423;
 }
 .page-post-detail .comments {
   overflow: hidden;
 }
-@media (max-width: 767px) {
-  .header-inner,
-  .container .main-inner,
-  .footer-inner {
+.header {
+  position: relative;
+  margin: 0 auto;
+  width: 75%;
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .header {
     width: auto;
   }
 }
-embed {
-  display: block;
-  margin: 0px auto 25px auto;
+@media (max-width: 767px) {
+  .header {
+    width: auto;
+  }
 }
-.custom-logo .site-meta-headline {
-  text-align: center;
-}
-.custom-logo .brand {
-  background: none;
-}
-.custom-logo .site-title {
-  margin: 10px auto 0;
-  font-size: 24px;
-  color: #222;
-}
-.custom-logo .site-title a {
-  border: none;
-}
-.custom-logo-image {
-  margin: 0 auto;
-  padding: 5px;
-  max-width: 150px;
+.header-inner {
+  position: absolute;
+  top: 0;
+  overflow: hidden;
+  padding: 0;
+  width: 240px;
   background: #fff;
+  box-shadow: 0 2px 2px 0 rgba(0,0,0,0.12), 0 3px 1px -2px rgba(0,0,0,0.06), 0 1px 5px 0 rgba(0,0,0,0.12);
+  border-radius: initial;
+}
+@media (min-width: 1600px) {
+  .container .header-inner {
+    width: 240px;
+  }
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .header-inner {
+    position: relative;
+    width: auto;
+    border-radius: initial;
+  }
 }
 @media (max-width: 767px) {
-  .site-nav {
-    position: absolute;
-    left: 0;
-    top: 52px;
-    margin: 0;
+  .header-inner {
+    position: relative;
+    width: auto;
+    border-radius: initial;
+  }
+}
+.main:before,
+.main:after {
+  content: " ";
+  display: table;
+}
+.main:after {
+  clear: both;
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .main {
+    padding-bottom: 100px;
+  }
+}
+@media (max-width: 767px) {
+  .main {
+    padding-bottom: 100px;
+  }
+}
+.container .main-inner {
+  width: 75%;
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .container .main-inner {
+    width: auto;
+  }
+}
+@media (max-width: 767px) {
+  .container .main-inner {
+    width: auto;
+  }
+}
+.content-wrap {
+  float: right;
+  box-sizing: border-box;
+  padding: 40px;
+  width: calc(100% - 252px);
+  background: #fff;
+  min-height: 700px;
+  box-shadow: 0 2px 2px 0 rgba(0,0,0,0.12), 0 3px 1px -2px rgba(0,0,0,0.06), 0 1px 5px 0 rgba(0,0,0,0.12);
+  border-radius: initial;
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .content-wrap {
     width: 100%;
-    padding: 0;
-    background: #fff;
-    border-bottom: 1px solid #ddd;
-    z-index: 1030;
+    padding: 20px;
+    border-radius: initial;
   }
 }
 @media (max-width: 767px) {
-  .menu {
-    text-align: left;
+  .content-wrap {
+    width: 100%;
+    padding: 20px;
+    min-height: auto;
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+          论文来源：USENIX SECURITY 2018下载：原文pdf中文slides
+论文解读1.    概要：
+物联网（IoT）设备的快速增长的格局为其管理和安全性带来了重大的技术挑战，因为这些物联网设备来自不同的设备类型，供应商和产品模型。
+物联网设备的发现是表征，监控和保护这些设备的先决条件。然
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+    <title><![CDATA[基于规则引擎发现IOT设备]]></title>
+    <url>%2F2019%2F03%2F23%2F%E5%9F%BA%E4%BA%8E%E8%A7%84%E5%88%99%E5%BC%95%E6%93%8E%E5%8F%91%E7%8E%B0IOT%E8%AE%BE%E5%A4%87%2F</url>
+    <content type="text"><![CDATA[论文来源：USENIX SECURITY 2018下载：原文pdf中文slides 论文解读1. 概要： 物联网（IoT）设备的快速增长的格局为其管理和安全性带来了重大的技术挑战，因为这些物联网设备来自不同的设备类型，供应商和产品模型。 物联网设备的发现是表征，监控和保护这些设备的先决条件。然而，手动设备注释阻碍了大规模发现，并且基于机器学习的设备分类需要具有标签的大型训练数据。因此，大规模的自动设备发现和注释仍然是物联网中的一个悬而未决的问题。 这篇文章提出了一种基于采集规则的引擎（ARE），它可以自动生成用于在没有任何训练数据的情况下发现和注释物联网设备的规则。ARE通过利用来自物联网设备的应用层响应数据和相关网站中的产品描述来构建设备规则，以进行设备注释。我们将事务定义为对产品描述的唯一响应之间的映射。 为了收集交易集，ARE提取响应数据中的相关术语作为抓取网站的搜索查询。ARE使用关联算法以（类型，供应商和产品）的形式生成物联网设备注释的规则。我们进行实验和三个应用程序来验证ARE的有效性。 2. 背景与动机： 物联网蓬勃发展，造就了物联网设备的广泛应用，它不仅种类繁多，包括摄像头、打印机、路由器、电视盒子、工控系统、医疗设备等，而且数量庞大，据统计，每天就会新增5500000台物联网设备。 但是由于设备脆弱、缺乏管理和配置不当，物联网设备相比传统计算机要更不安全，比如之前爆发的Mirai僵尸网络，给美国造成了重大的损失。因此，为了更主动地保护IOT设备，提前发现、登记和注释物联网设备成为先决条件。 设备注释的内容通常为“设备类型(e.g.,routers) + 供应商(e.g.,CISCO) + 产品型号(e.g.,TV-IP302P)”，传统生成设备注释的方法有基于指纹的，也有使用标志获取的，前者对数据集和大量设备模型的要求很高，而后者需要专业知识的人工方式，因此不可能用于大规模注释而且很难去维护更新。 所以，作者希望提出一种减少对数据集和人工依赖的注释方式。本文的方法主要基于两个事实，第一个Figure 1是制造商通常会将相关信息硬编码到IOT设备，第二个Figure 2是有许多网站（如产品测评）会描述设备产品。从第一个事实，我们可以从应用层数据包获取关键词，然后根据这些关键词依据第二个事实进行网页爬虫，以获取网页上的相关描述，然后对这些描述进行自然语言处理和数据挖掘，从而建立起基于规则的映射。 3. 核心工作—Rule Miner： Rule Miner由三个部分构成，Transaction set是一对由应用层数据和相关网页组成的文本单元，它生成了一种规则： ，其中A是从应用层数据包中提取的一些特征，B是从相关网页抓取的设备描述；Device entity recognition结合了基于语料库的NER和基于规则的NER(命名实体识别)，前者解决了设备类型和供应商名，后者使用正则表达式识别出产品型号。但是由于一个不相干的网页也可能包含设备类型的关键词(如switch)，以及一个短语可能因为满足正则表达式而被认为是型号所以表现并不好，但好在实体与实体之间具有很高的依赖性，这三个元素常常一起出现。数据挖掘算法Apriori algorithm用于从Transaction中学习“关系”。 4. 完整架构和应用 完整的ARE除了核心Rule Miner之外，还有Transaction Collection用于收集响应数据和网络爬虫，Rule Library用于存储生成的规则，Planner用于更新规则。作者主要将ARE应用于三个方面，一是互联网范围的设备测量统计，二是对受损设备进行检测，三是对易受攻击的设备进行分析。之后对ARE的效果与Nmap进行比较和评估，从产生规则的数量、规则的准确率和覆盖率、动态学习规则的能力以及时间代价，ARE都要优于Nmap。 5. 工作总结： 提出ARE的框架：不需要数据集和人工干预，自动生成用于IOT设备识别的规则。 实现了ARE的原型并评估了它的效果：ARE在一周内生成了大量的规则，而且IOT设备识别的细粒度超过现有工具。 应用于三个场景中，主要发现有：大量IOT设备在互联网中可以抵达；成千上万的IOT设备易受攻击且暴露给了公众。]]></content>
+      <categories>
+        <category>顶会论文</category>
+      </categories>
+      <tags>
+        <tag>USENIX</tag>
+        <tag>数据挖掘</tag>
+        <tag>自然语言处理</tag>
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+
+    
+      <div class="back-to-top">
+        <i class="fa fa-arrow-up"></i>
+        
+      </div>
+    
+
+    
+
+  </div>
+
+  
+
+<script type="text/javascript">
+  if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {
+    window.Promise = null;
+  }
+</script>
+
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+  
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+  
+  
+    <script type="text/javascript" src="/lib/jquery/index.js?v=2.1.3"></script>
+  
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+  
+  
+    <script type="text/javascript" src="/lib/fastclick/lib/fastclick.min.js?v=1.0.6"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/jquery_lazyload/jquery.lazyload.js?v=1.9.7"></script>
+  
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+  
+  
+    <script type="text/javascript" src="/lib/velocity/velocity.min.js?v=1.2.1"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/velocity/velocity.ui.min.js?v=1.2.1"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/fancybox/source/jquery.fancybox.pack.js?v=2.1.5"></script>
+  
+
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+  
+
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+  <script type="text/javascript" src="/js/src/utils.js?v=5.1.4"></script>
+
+  <script type="text/javascript" src="/js/src/motion.js?v=5.1.4"></script>
+
+
+
+  
+  
+
+
+  <script type="text/javascript" src="/js/src/affix.js?v=5.1.4"></script>
+
+  <script type="text/javascript" src="/js/src/schemes/pisces.js?v=5.1.4"></script>
+
+
+
+  
+
+  
+
+
+  <script type="text/javascript" src="/js/src/bootstrap.js?v=5.1.4"></script>
+
+
+
+  
+
+
+  
+
+
+
+
+	
+
+
+
+
+
+  
+
+
+
+
+
+  
+
+
+
+
+
+
+
+<!-- LOCAL: You can save these files to your site and update links -->
+    
+        
+        <link rel="stylesheet" href="https://aimingoo.github.io/gitmint/style/default.css">
+        <script src="https://aimingoo.github.io/gitmint/dist/gitmint.browser.js"></script>
+    
+<!-- END LOCAL -->
+
+    
+
+    
+
+
+
+
+
+
+
+  
+
+  <script type="text/javascript">
+    // Popup Window;
+    var isfetched = false;
+    var isXml = true;
+    // Search DB path;
+    var search_path = "search.xml";
+    if (search_path.length === 0) {
+      search_path = "search.xml";
+    } else if (/json$/i.test(search_path)) {
+      isXml = false;
+    }
+    var path = "/" + search_path;
+    // monitor main search box;
+
+    var onPopupClose = function (e) {
+      $('.popup').hide();
+      $('#local-search-input').val('');
+      $('.search-result-list').remove();
+      $('#no-result').remove();
+      $(".local-search-pop-overlay").remove();
+      $('body').css('overflow', '');
+    }
+
+    function proceedsearch() {
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
+        .css('overflow', 'hidden');
+      $('.search-popup-overlay').click(onPopupClose);
+      $('.popup').toggle();
+      var $localSearchInput = $('#local-search-input');
+      $localSearchInput.attr("autocapitalize", "none");
+      $localSearchInput.attr("autocorrect", "off");
+      $localSearchInput.focus();
+    }
+
+    // search function;
+    var searchFunc = function(path, search_id, content_id) {
+      'use strict';
+
+      // start loading animation
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay">' +
+          '<div id="search-loading-icon">' +
+          '<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
+          '</div>' +
+          '</div>')
+        .css('overflow', 'hidden');
+      $("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');
+
+      $.ajax({
+        url: path,
+        dataType: isXml ? "xml" : "json",
+        async: true,
+        success: function(res) {
+          // get the contents from search data
+          isfetched = true;
+          $('.popup').detach().appendTo('.header-inner');
+          var datas = isXml ? $("entry", res).map(function() {
+            return {
+              title: $("title", this).text(),
+              content: $("content",this).text(),
+              url: $("url" , this).text()
+            };
+          }).get() : res;
+          var input = document.getElementById(search_id);
+          var resultContent = document.getElementById(content_id);
+          var inputEventFunction = function() {
+            var searchText = input.value.trim().toLowerCase();
+            var keywords = searchText.split(/[\s\-]+/);
+            if (keywords.length > 1) {
+              keywords.push(searchText);
+            }
+            var resultItems = [];
+            if (searchText.length > 0) {
+              // perform local searching
+              datas.forEach(function(data) {
+                var isMatch = false;
+                var hitCount = 0;
+                var searchTextCount = 0;
+                var title = data.title.trim();
+                var titleInLowerCase = title.toLowerCase();
+                var content = data.content.trim().replace(/<[^>]+>/g,"");
+                var contentInLowerCase = content.toLowerCase();
+                var articleUrl = decodeURIComponent(data.url);
+                var indexOfTitle = [];
+                var indexOfContent = [];
+                // only match articles with not empty titles
+                if(title != '') {
+                  keywords.forEach(function(keyword) {
+                    function getIndexByWord(word, text, caseSensitive) {
+                      var wordLen = word.length;
+                      if (wordLen === 0) {
+                        return [];
+                      }
+                      var startPosition = 0, position = [], index = [];
+                      if (!caseSensitive) {
+                        text = text.toLowerCase();
+                        word = word.toLowerCase();
+                      }
+                      while ((position = text.indexOf(word, startPosition)) > -1) {
+                        index.push({position: position, word: word});
+                        startPosition = position + wordLen;
+                      }
+                      return index;
+                    }
+
+                    indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
+                  });
+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
+                    isMatch = true;
+                    hitCount = indexOfTitle.length + indexOfContent.length;
+                  }
+                }
+
+                // show search results
+
+                if (isMatch) {
+                  // sort index by position of keyword
+
+                  [indexOfTitle, indexOfContent].forEach(function (index) {
+                    index.sort(function (itemLeft, itemRight) {
+                      if (itemRight.position !== itemLeft.position) {
+                        return itemRight.position - itemLeft.position;
+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
+                      }
+                    });
+                  });
+
+                  // merge hits into slices
+
+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
+                      if (word === searchText) {
+                        searchTextCountInSlice++;
+                      }
+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
+
+                      // move to next position of hit
+
+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
+                        } else {
+                          break;
+                        }
+                      }
+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
+                      start = 0;
+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
+                    }
+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
+
+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
+
+                  resultItem += "</li>";
+                  resultItems.push({
+                    item: resultItem,
+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
+                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
+                  return resultRight.searchTextCount - resultLeft.searchTextCount;
+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
+                  return resultRight.hitCount - resultLeft.hitCount;
+                } else {
+                  return resultRight.id - resultLeft.id;
+                }
+              });
+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
+              })
+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
+            }
+          }
+
+          if ('auto' === 'auto') {
+            input.addEventListener('input', inputEventFunction);
+          } else {
+            $('.search-icon').click(inputEventFunction);
+            input.addEventListener('keypress', function (event) {
+              if (event.keyCode === 13) {
+                inputEventFunction();
+              }
+            });
+          }
+
+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
+        }
+      });
+    }
+
+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
+        searchFunc(path, 'local-search-input', 'local-search-result');
+      } else {
+        proceedsearch();
+      };
+    });
+
+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
+      e.stopPropagation();
+    });
+    $(document).on('keyup', function (event) {
+      var shouldDismissSearchPopup = event.which === 27 &&
+        $('.search-popup').is(':visible');
+      if (shouldDismissSearchPopup) {
+        onPopupClose();
+      }
+    });
+  </script>
+
+
+
+
+
+  
+
+  
+  <script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
+  <script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
+  <script>
+    function showTime(Counter) {
+      var query = new AV.Query(Counter);
+      var entries = [];
+      var $visitors = $(".leancloud_visitors");
+
+      $visitors.each(function () {
+        entries.push( $(this).attr("id").trim() );
+      });
+
+      query.containedIn('url', entries);
+      query.find()
+        .done(function (results) {
+          var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
+
+          if (results.length === 0) {
+            $visitors.find(COUNT_CONTAINER_REF).text(0);
+            return;
+          }
+
+          for (var i = 0; i < results.length; i++) {
+            var item = results[i];
+            var url = item.get('url');
+            var time = item.get('time');
+            var element = document.getElementById(url);
+
+            $(element).find(COUNT_CONTAINER_REF).text(time);
+          }
+          for(var i = 0; i < entries.length; i++) {
+            var url = entries[i];
+            var element = document.getElementById(url);
+            var countSpan = $(element).find(COUNT_CONTAINER_REF);
+            if( countSpan.text() == '') {
+              countSpan.text(0);
+            }
+          }
+        })
+        .fail(function (object, error) {
+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
+
+      query.equalTo("url", url);
+      query.find({
+        success: function(results) {
+          if (results.length > 0) {
+            var counter = results[0];
+            counter.fetchWhenSave(true);
+            counter.increment("time");
+            counter.save(null, {
+              success: function(counter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(counter.get('time'));
+              },
+              error: function(counter, error) {
+                console.log('Failed to save Visitor num, with error message: ' + error.message);
+              }
+            });
+          } else {
+            var newcounter = new Counter();
+            /* Set ACL */
+            var acl = new AV.ACL();
+            acl.setPublicReadAccess(true);
+            acl.setPublicWriteAccess(true);
+            newcounter.setACL(acl);
+            /* End Set ACL */
+            newcounter.set("title", title);
+            newcounter.set("url", url);
+            newcounter.set("time", 1);
+            newcounter.save(null, {
+              success: function(newcounter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(newcounter.get('time'));
+              },
+              error: function(newcounter, error) {
+                console.log('Failed to create');
+              }
+            });
+          }
+        },
+        error: function(error) {
+          console.log('Error:' + error.code + " " + error.message);
+        }
+      });
+    }
+
+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
+        addCount(Counter);
+      } else if ($('.post-title-link').length > 1) {
+        showTime(Counter);
+      }
+    });
+  </script>
+
+
+
+  
+
+  
+
+  
+  
+
+  
+
+  
+
+  
+
+</body>
+</html>
diff --git a/tags/index.html b/tags/index.html
index c67662d6..8242b8bf 100644
--- a/tags/index.html
+++ b/tags/index.html
@@ -298,10 +298,10 @@
         
           <div class="tag-cloud">
             <div class="tag-cloud-title">
-                目前共计 11 个标签
+                目前共计 14 个标签
             </div>
             <div class="tag-cloud-tags">
-              <a href="/tags/QQ/" style="font-size: 12px; color: #ccc">QQ</a> <a href="/tags/SSH/" style="font-size: 12px; color: #ccc">SSH</a> <a href="/tags/python/" style="font-size: 12px; color: #ccc">python</a> <a href="/tags/wifi/" style="font-size: 12px; color: #ccc">wifi</a> <a href="/tags/侧信道攻击/" style="font-size: 12px; color: #ccc">侧信道攻击</a> <a href="/tags/密码/" style="font-size: 12px; color: #ccc">密码</a> <a href="/tags/小米/" style="font-size: 12px; color: #ccc">小米</a> <a href="/tags/数据库/" style="font-size: 12px; color: #ccc">数据库</a> <a href="/tags/文件格式/" style="font-size: 12px; color: #ccc">文件格式</a> <a href="/tags/模型实现/" style="font-size: 12px; color: #ccc">模型实现</a> <a href="/tags/访问控制/" style="font-size: 12px; color: #ccc">访问控制</a>
+              <a href="/tags/QQ/" style="font-size: 12px; color: #ccc">QQ</a> <a href="/tags/SSH/" style="font-size: 12px; color: #ccc">SSH</a> <a href="/tags/USENIX/" style="font-size: 12px; color: #ccc">USENIX</a> <a href="/tags/python/" style="font-size: 12px; color: #ccc">python</a> <a href="/tags/wifi/" style="font-size: 12px; color: #ccc">wifi</a> <a href="/tags/侧信道攻击/" style="font-size: 12px; color: #ccc">侧信道攻击</a> <a href="/tags/密码/" style="font-size: 12px; color: #ccc">密码</a> <a href="/tags/小米/" style="font-size: 12px; color: #ccc">小米</a> <a href="/tags/数据库/" style="font-size: 12px; color: #ccc">数据库</a> <a href="/tags/数据挖掘/" style="font-size: 12px; color: #ccc">数据挖掘</a> <a href="/tags/文件格式/" style="font-size: 12px; color: #ccc">文件格式</a> <a href="/tags/模型实现/" style="font-size: 12px; color: #ccc">模型实现</a> <a href="/tags/自然语言处理/" style="font-size: 12px; color: #ccc">自然语言处理</a> <a href="/tags/访问控制/" style="font-size: 12px; color: #ccc">访问控制</a>
             </div>
           </div>
         
@@ -359,7 +359,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -381,7 +381,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -458,7 +458,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/tags/python/index.html b/tags/python/index.html
index 05d64545..22dc872d 100644
--- a/tags/python/index.html
+++ b/tags/python/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -466,7 +466,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/tags/wifi/index.html b/tags/wifi/index.html
index 7e78e37e..cefc539f 100644
--- a/tags/wifi/index.html
+++ b/tags/wifi/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -466,7 +466,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/tags/侧信道攻击/index.html b/tags/侧信道攻击/index.html
index 70599fda..3cdd8d72 100644
--- a/tags/侧信道攻击/index.html
+++ b/tags/侧信道攻击/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
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@@ -466,7 +466,7 @@
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diff --git a/tags/密码/index.html b/tags/密码/index.html
index 611bee2c..222089ed 100644
--- a/tags/密码/index.html
+++ b/tags/密码/index.html
@@ -367,7 +367,7 @@
               
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+                  <span class="site-state-item-count">6</span>
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+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
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@@ -466,7 +466,7 @@
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-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
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diff --git a/tags/小米/index.html b/tags/小米/index.html
index 2cc203af..3017b3ba 100644
--- a/tags/小米/index.html
+++ b/tags/小米/index.html
@@ -367,7 +367,7 @@
               
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-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
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@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
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@@ -466,7 +466,7 @@
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-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
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diff --git a/tags/数据库/index.html b/tags/数据库/index.html
index 39ac7558..14485378 100644
--- a/tags/数据库/index.html
+++ b/tags/数据库/index.html
@@ -367,7 +367,7 @@
               
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-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
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@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
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@@ -466,7 +466,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/tags/数据挖掘/index.html b/tags/数据挖掘/index.html
new file mode 100644
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+        <li class="menu-item menu-item-about">
+          <a href="/about/" rel="section">
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+              <i class="menu-item-icon fa fa-fw fa-user"></i> <br>
+            
+            关于
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+        </li>
+      
+        
+        <li class="menu-item menu-item-tags">
+          <a href="/tags/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
+            
+            标签
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+        </li>
+      
+        
+        <li class="menu-item menu-item-categories">
+          <a href="/categories/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-th"></i> <br>
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+  <div class="popup search-popup local-search-popup">
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+    <div class="local-search-input-wrapper">
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+    </div>
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+</nav>
+
+
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+ </div>
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+    <main id="main" class="main">
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+  
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+  
+  <div class="post-block tag">
+
+    <div id="posts" class="posts-collapse">
+      <div class="collection-title">
+        <h1>数据挖掘<small>标签</small>
+        </h1>
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+        
+
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/23/基于规则引擎发现IOT设备/" itemprop="url">
+              
+                <span itemprop="name">基于规则引擎发现IOT设备</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-23T11:52:06+08:00" content="2019-03-23">
+          03-23
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+      </div>
+
+    </header>
+  </article>
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+      
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+          </div>
+          
+
+
+          
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+        </div>
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+  
+  <div class="sidebar-toggle">
+    <div class="sidebar-toggle-line-wrap">
+      <span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
+    </div>
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+  <aside id="sidebar" class="sidebar">
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+    <div class="sidebar-inner">
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+      
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+      <section class="site-overview-wrap sidebar-panel sidebar-panel-active">
+        <div class="site-overview">
+          <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
+            
+              <img class="site-author-image" itemprop="image" src="/images/avatar.png" alt="Cool-Y">
+            
+              <p class="site-author-name" itemprop="name">Cool-Y</p>
+              <p class="site-description motion-element" itemprop="description"></p>
+          </div>
+
+          <nav class="site-state motion-element">
+
+            
+              <div class="site-state-item site-state-posts">
+              
+                <a href="/archives/">
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+                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-name">日志</span>
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+              <div class="site-state-item site-state-categories">
+                <a href="/categories/index.html">
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+              <div class="site-state-item site-state-tags">
+                <a href="/tags/index.html">
+                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-name">标签</span>
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+          </nav>
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+          
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+          
+            <div class="links-of-author motion-element">
+                
+                  <span class="links-of-author-item">
+                    <a href="https://github.com/Cool-Y" target="_blank" title="GitHub">
+                      
+                        <i class="fa fa-fw fa-github"></i>GitHub</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="http://weibo.com/HanYanOpenFire" target="_blank" title="Weibo">
+                      
+                        <i class="fa fa-fw fa-weibo"></i>Weibo</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="mailto:cool.yim@whu.edu.cn" target="_blank" title="E-Mail">
+                      
+                        <i class="fa fa-fw fa-envelope"></i>E-Mail</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="https://www.instagram.com/yan__han/" target="_blank" title="Instagram">
+                      
+                        <i class="fa fa-fw fa-instagram"></i>Instagram</a>
+                  </span>
+                
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+          
+          
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+          
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+      </div>
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+
+    <footer id="footer" class="footer">
+      <div class="footer-inner">
+        <div class="copyright">&copy; <span itemprop="copyrightYear">2019</span>
+  <span class="with-love">
+    <i class="fa fa-user"></i>
+  </span>
+  <span class="author" itemprop="copyrightHolder">Cool-Y</span>
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+  
+    <span class="post-meta-divider">|</span>
+    <span class="post-meta-item-icon">
+      <i class="fa fa-area-chart"></i>
+    </span>
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+    <span title="Site words total count">7.7k</span>
+  
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+  <div class="powered-by">由 <a class="theme-link" target="_blank" href="https://hexo.io">Hexo</a> 强力驱动</div>
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+        
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+      <div class="back-to-top">
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+  </div>
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+  
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+    } else if (/json$/i.test(search_path)) {
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+    var path = "/" + search_path;
+    // monitor main search box;
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+    var onPopupClose = function (e) {
+      $('.popup').hide();
+      $('#local-search-input').val('');
+      $('.search-result-list').remove();
+      $('#no-result').remove();
+      $(".local-search-pop-overlay").remove();
+      $('body').css('overflow', '');
+    }
+
+    function proceedsearch() {
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
+        .css('overflow', 'hidden');
+      $('.search-popup-overlay').click(onPopupClose);
+      $('.popup').toggle();
+      var $localSearchInput = $('#local-search-input');
+      $localSearchInput.attr("autocapitalize", "none");
+      $localSearchInput.attr("autocorrect", "off");
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+    // search function;
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+
+      // start loading animation
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay">' +
+          '<div id="search-loading-icon">' +
+          '<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
+          '</div>' +
+          '</div>')
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+          var resultContent = document.getElementById(content_id);
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+                var articleUrl = decodeURIComponent(data.url);
+                var indexOfTitle = [];
+                var indexOfContent = [];
+                // only match articles with not empty titles
+                if(title != '') {
+                  keywords.forEach(function(keyword) {
+                    function getIndexByWord(word, text, caseSensitive) {
+                      var wordLen = word.length;
+                      if (wordLen === 0) {
+                        return [];
+                      }
+                      var startPosition = 0, position = [], index = [];
+                      if (!caseSensitive) {
+                        text = text.toLowerCase();
+                        word = word.toLowerCase();
+                      }
+                      while ((position = text.indexOf(word, startPosition)) > -1) {
+                        index.push({position: position, word: word});
+                        startPosition = position + wordLen;
+                      }
+                      return index;
+                    }
+
+                    indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
+                  });
+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
+                    isMatch = true;
+                    hitCount = indexOfTitle.length + indexOfContent.length;
+                  }
+                }
+
+                // show search results
+
+                if (isMatch) {
+                  // sort index by position of keyword
+
+                  [indexOfTitle, indexOfContent].forEach(function (index) {
+                    index.sort(function (itemLeft, itemRight) {
+                      if (itemRight.position !== itemLeft.position) {
+                        return itemRight.position - itemLeft.position;
+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
+                      }
+                    });
+                  });
+
+                  // merge hits into slices
+
+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
+                      if (word === searchText) {
+                        searchTextCountInSlice++;
+                      }
+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
+
+                      // move to next position of hit
+
+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
+                        } else {
+                          break;
+                        }
+                      }
+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
+                      start = 0;
+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
+                    }
+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
+
+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
+
+                  resultItem += "</li>";
+                  resultItems.push({
+                    item: resultItem,
+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
+                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
+                  return resultRight.searchTextCount - resultLeft.searchTextCount;
+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
+                  return resultRight.hitCount - resultLeft.hitCount;
+                } else {
+                  return resultRight.id - resultLeft.id;
+                }
+              });
+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
+              })
+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
+            }
+          }
+
+          if ('auto' === 'auto') {
+            input.addEventListener('input', inputEventFunction);
+          } else {
+            $('.search-icon').click(inputEventFunction);
+            input.addEventListener('keypress', function (event) {
+              if (event.keyCode === 13) {
+                inputEventFunction();
+              }
+            });
+          }
+
+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
+        }
+      });
+    }
+
+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
+        searchFunc(path, 'local-search-input', 'local-search-result');
+      } else {
+        proceedsearch();
+      };
+    });
+
+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
+      e.stopPropagation();
+    });
+    $(document).on('keyup', function (event) {
+      var shouldDismissSearchPopup = event.which === 27 &&
+        $('.search-popup').is(':visible');
+      if (shouldDismissSearchPopup) {
+        onPopupClose();
+      }
+    });
+  </script>
+
+
+
+
+
+  
+
+  
+  <script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
+  <script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
+  <script>
+    function showTime(Counter) {
+      var query = new AV.Query(Counter);
+      var entries = [];
+      var $visitors = $(".leancloud_visitors");
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+      $visitors.each(function () {
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+      });
+
+      query.containedIn('url', entries);
+      query.find()
+        .done(function (results) {
+          var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
+
+          if (results.length === 0) {
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+            return;
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+            var url = item.get('url');
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+            $(element).find(COUNT_CONTAINER_REF).text(time);
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+            var element = document.getElementById(url);
+            var countSpan = $(element).find(COUNT_CONTAINER_REF);
+            if( countSpan.text() == '') {
+              countSpan.text(0);
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+        })
+        .fail(function (object, error) {
+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
+
+      query.equalTo("url", url);
+      query.find({
+        success: function(results) {
+          if (results.length > 0) {
+            var counter = results[0];
+            counter.fetchWhenSave(true);
+            counter.increment("time");
+            counter.save(null, {
+              success: function(counter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(counter.get('time'));
+              },
+              error: function(counter, error) {
+                console.log('Failed to save Visitor num, with error message: ' + error.message);
+              }
+            });
+          } else {
+            var newcounter = new Counter();
+            /* Set ACL */
+            var acl = new AV.ACL();
+            acl.setPublicReadAccess(true);
+            acl.setPublicWriteAccess(true);
+            newcounter.setACL(acl);
+            /* End Set ACL */
+            newcounter.set("title", title);
+            newcounter.set("url", url);
+            newcounter.set("time", 1);
+            newcounter.save(null, {
+              success: function(newcounter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(newcounter.get('time'));
+              },
+              error: function(newcounter, error) {
+                console.log('Failed to create');
+              }
+            });
+          }
+        },
+        error: function(error) {
+          console.log('Error:' + error.code + " " + error.message);
+        }
+      });
+    }
+
+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
+        addCount(Counter);
+      } else if ($('.post-title-link').length > 1) {
+        showTime(Counter);
+      }
+    });
+  </script>
+
+
+
+  
+
+  
+
+  
+  
+
+  
+
+  
+
+  
+
+</body>
+</html>
diff --git a/tags/文件格式/index.html b/tags/文件格式/index.html
index b71d501d..cd4955fa 100644
--- a/tags/文件格式/index.html
+++ b/tags/文件格式/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -466,7 +466,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/tags/模型实现/index.html b/tags/模型实现/index.html
index 81a2d22e..ebd6d2ea 100644
--- a/tags/模型实现/index.html
+++ b/tags/模型实现/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -466,7 +466,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>
 
diff --git a/tags/自然语言处理/index.html b/tags/自然语言处理/index.html
new file mode 100644
index 00000000..86347614
--- /dev/null
+++ b/tags/自然语言处理/index.html
@@ -0,0 +1,1106 @@
+<!DOCTYPE html>
+
+
+
+  
+
+
+<html class="theme-next gemini use-motion" lang="zh-Hans">
+<head><meta name="generator" content="Hexo 3.8.0">
+  <meta charset="UTF-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
+<meta name="theme-color" content="#222">
+
+
+
+
+
+
+
+
+
+<meta http-equiv="Cache-Control" content="no-transform">
+<meta http-equiv="Cache-Control" content="no-siteapp">
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  
+  
+  <link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css">
+
+
+
+
+
+
+
+<link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css">
+
+<link href="/css/main.css?v=5.1.4" rel="stylesheet" type="text/css">
+
+
+  <link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-next.png?v=5.1.4">
+
+
+  <link rel="icon" type="image/png" sizes="32x32" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="icon" type="image/png" sizes="16x16" href="/images/hackerrank.png?v=5.1.4">
+
+
+  <link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">
+
+
+
+
+
+  <meta name="keywords" content="Hexo, NexT">
+
+
+
+
+
+
+
+
+
+
+<meta property="og:type" content="website">
+<meta property="og:title" content="混元霹雳手">
+<meta property="og:url" content="https://cool-y.github.io/tags/自然语言处理/index.html">
+<meta property="og:site_name" content="混元霹雳手">
+<meta property="og:locale" content="zh-Hans">
+<meta name="twitter:card" content="summary">
+<meta name="twitter:title" content="混元霹雳手">
+
+
+
+<script type="text/javascript" id="hexo.configurations">
+  var NexT = window.NexT || {};
+  var CONFIG = {
+    root: '/',
+    scheme: 'Gemini',
+    version: '5.1.4',
+    sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
+    fancybox: true,
+    tabs: true,
+    motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
+    duoshuo: {
+      userId: '0',
+      author: '博主'
+    },
+    algolia: {
+      applicationID: '',
+      apiKey: '',
+      indexName: '',
+      hits: {"per_page":10},
+      labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
+    }
+  };
+</script>
+
+
+
+  <link rel="canonical" href="https://cool-y.github.io/tags/自然语言处理/">
+
+
+
+
+
+  <title>标签: 自然语言处理 | 混元霹雳手</title>
+  
+
+
+
+
+
+
+
+
+</head>
+
+<body itemscope itemtype="http://schema.org/WebPage" lang="zh-Hans">
+
+  
+  
+    
+  
+
+  <div class="container sidebar-position-left ">
+    <div class="headband"></div>
+
+    <header id="header" class="header" itemscope itemtype="http://schema.org/WPHeader">
+      <div class="header-inner"><div class="site-brand-wrapper">
+  <div class="site-meta ">
+    
+
+    <div class="custom-logo-site-title">
+      <a href="/" class="brand" rel="start">
+        <span class="logo-line-before"><i></i></span>
+        <span class="site-title">混元霹雳手</span>
+        <span class="logo-line-after"><i></i></span>
+      </a>
+    </div>
+      
+        <p class="site-subtitle"></p>
+      
+  </div>
+
+  <div class="site-nav-toggle">
+    <button>
+      <span class="btn-bar"></span>
+      <span class="btn-bar"></span>
+      <span class="btn-bar"></span>
+    </button>
+  </div>
+</div>
+
+<nav class="site-nav">
+  
+
+  
+    <ul id="menu" class="menu">
+      
+        
+        <li class="menu-item menu-item-home">
+          <a href="/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-home"></i> <br>
+            
+            首页
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-about">
+          <a href="/about/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-user"></i> <br>
+            
+            关于
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-tags">
+          <a href="/tags/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-tags"></i> <br>
+            
+            标签
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-categories">
+          <a href="/categories/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-th"></i> <br>
+            
+            分类
+          </a>
+        </li>
+      
+        
+        <li class="menu-item menu-item-archives">
+          <a href="/archives/" rel="section">
+            
+              <i class="menu-item-icon fa fa-fw fa-archive"></i> <br>
+            
+            归档
+          </a>
+        </li>
+      
+
+      
+        <li class="menu-item menu-item-search">
+          
+            <a href="javascript:;" class="popup-trigger">
+          
+            
+              <i class="menu-item-icon fa fa-search fa-fw"></i> <br>
+            
+            搜索
+          </a>
+        </li>
+      
+    </ul>
+  
+
+  
+    <div class="site-search">
+      
+  <div class="popup search-popup local-search-popup">
+  <div class="local-search-header clearfix">
+    <span class="search-icon">
+      <i class="fa fa-search"></i>
+    </span>
+    <span class="popup-btn-close">
+      <i class="fa fa-times-circle"></i>
+    </span>
+    <div class="local-search-input-wrapper">
+      <input autocomplete="off" placeholder="搜索..." spellcheck="false" type="text" id="local-search-input">
+    </div>
+  </div>
+  <div id="local-search-result"></div>
+</div>
+
+
+
+    </div>
+  
+</nav>
+
+
+
+ </div>
+    </header>
+
+    <main id="main" class="main">
+      <div class="main-inner">
+        <div class="content-wrap">
+          <div id="content" class="content">
+            
+
+  
+  
+  
+  <div class="post-block tag">
+
+    <div id="posts" class="posts-collapse">
+      <div class="collection-title">
+        <h1>自然语言处理<small>标签</small>
+        </h1>
+      </div>
+
+      
+        
+
+  <article class="post post-type-normal" itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <h2 class="post-title">
+        
+            <a class="post-title-link" href="/2019/03/23/基于规则引擎发现IOT设备/" itemprop="url">
+              
+                <span itemprop="name">基于规则引擎发现IOT设备</span>
+              
+            </a>
+        
+      </h2>
+
+      <div class="post-meta">
+        <time class="post-time" itemprop="dateCreated" datetime="2019-03-23T11:52:06+08:00" content="2019-03-23">
+          03-23
+        </time>
+      </div>
+
+    </header>
+  </article>
+
+
+      
+    </div>
+
+  </div>
+  
+  
+  
+
+  
+
+
+          </div>
+          
+
+
+          
+
+        </div>
+        
+          
+  
+  <div class="sidebar-toggle">
+    <div class="sidebar-toggle-line-wrap">
+      <span class="sidebar-toggle-line sidebar-toggle-line-first"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-middle"></span>
+      <span class="sidebar-toggle-line sidebar-toggle-line-last"></span>
+    </div>
+  </div>
+
+  <aside id="sidebar" class="sidebar">
+    
+    <div class="sidebar-inner">
+
+      
+
+      
+
+      <section class="site-overview-wrap sidebar-panel sidebar-panel-active">
+        <div class="site-overview">
+          <div class="site-author motion-element" itemprop="author" itemscope itemtype="http://schema.org/Person">
+            
+              <img class="site-author-image" itemprop="image" src="/images/avatar.png" alt="Cool-Y">
+            
+              <p class="site-author-name" itemprop="name">Cool-Y</p>
+              <p class="site-description motion-element" itemprop="description"></p>
+          </div>
+
+          <nav class="site-state motion-element">
+
+            
+              <div class="site-state-item site-state-posts">
+              
+                <a href="/archives/">
+              
+                  <span class="site-state-item-count">6</span>
+                  <span class="site-state-item-name">日志</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-categories">
+                <a href="/categories/index.html">
+                  <span class="site-state-item-count">4</span>
+                  <span class="site-state-item-name">分类</span>
+                </a>
+              </div>
+            
+
+            
+              
+              
+              <div class="site-state-item site-state-tags">
+                <a href="/tags/index.html">
+                  <span class="site-state-item-count">14</span>
+                  <span class="site-state-item-name">标签</span>
+                </a>
+              </div>
+            
+
+          </nav>
+
+          
+
+          
+            <div class="links-of-author motion-element">
+                
+                  <span class="links-of-author-item">
+                    <a href="https://github.com/Cool-Y" target="_blank" title="GitHub">
+                      
+                        <i class="fa fa-fw fa-github"></i>GitHub</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="http://weibo.com/HanYanOpenFire" target="_blank" title="Weibo">
+                      
+                        <i class="fa fa-fw fa-weibo"></i>Weibo</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="mailto:cool.yim@whu.edu.cn" target="_blank" title="E-Mail">
+                      
+                        <i class="fa fa-fw fa-envelope"></i>E-Mail</a>
+                  </span>
+                
+                  <span class="links-of-author-item">
+                    <a href="https://www.instagram.com/yan__han/" target="_blank" title="Instagram">
+                      
+                        <i class="fa fa-fw fa-instagram"></i>Instagram</a>
+                  </span>
+                
+            </div>
+          
+
+          
+          
+
+          
+          
+
+          
+
+        </div>
+      </section>
+
+      
+
+      
+
+    </div>
+  </aside>
+
+
+        
+      </div>
+    </main>
+
+    <footer id="footer" class="footer">
+      <div class="footer-inner">
+        <div class="copyright">&copy; <span itemprop="copyrightYear">2019</span>
+  <span class="with-love">
+    <i class="fa fa-user"></i>
+  </span>
+  <span class="author" itemprop="copyrightHolder">Cool-Y</span>
+
+  
+    <span class="post-meta-divider">|</span>
+    <span class="post-meta-item-icon">
+      <i class="fa fa-area-chart"></i>
+    </span>
+    
+    <span title="Site words total count">7.7k</span>
+  
+</div>
+
+
+  <div class="powered-by">由 <a class="theme-link" target="_blank" href="https://hexo.io">Hexo</a> 强力驱动</div>
+
+
+
+
+
+
+
+
+        
+<div class="busuanzi-count">
+    <script async src="//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"></script>
+
+  
+    <span class="site-uv">
+      <i class="fa fa-user"></i>
+      <span class="busuanzi-value" id="busuanzi_value_site_uv"></span>
+      
+    </span>
+  
+
+  
+    <span class="site-pv">
+      <i class="fa fa-eye"></i>
+      <span class="busuanzi-value" id="busuanzi_value_site_pv"></span>
+      
+    </span>
+  
+</div>
+
+
+
+
+
+
+
+
+        
+      </div>
+    </footer>
+
+    
+      <div class="back-to-top">
+        <i class="fa fa-arrow-up"></i>
+        
+      </div>
+    
+
+    
+
+  </div>
+
+  
+
+<script type="text/javascript">
+  if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {
+    window.Promise = null;
+  }
+</script>
+
+
+
+
+
+
+
+
+
+  
+
+
+
+
+
+
+
+
+
+
+
+
+  
+  
+    <script type="text/javascript" src="/lib/jquery/index.js?v=2.1.3"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/fastclick/lib/fastclick.min.js?v=1.0.6"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/jquery_lazyload/jquery.lazyload.js?v=1.9.7"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/velocity/velocity.min.js?v=1.2.1"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/velocity/velocity.ui.min.js?v=1.2.1"></script>
+  
+
+  
+  
+    <script type="text/javascript" src="/lib/fancybox/source/jquery.fancybox.pack.js?v=2.1.5"></script>
+  
+
+
+  
+
+
+  <script type="text/javascript" src="/js/src/utils.js?v=5.1.4"></script>
+
+  <script type="text/javascript" src="/js/src/motion.js?v=5.1.4"></script>
+
+
+
+  
+  
+
+
+  <script type="text/javascript" src="/js/src/affix.js?v=5.1.4"></script>
+
+  <script type="text/javascript" src="/js/src/schemes/pisces.js?v=5.1.4"></script>
+
+
+
+  
+
+  
+
+
+  <script type="text/javascript" src="/js/src/bootstrap.js?v=5.1.4"></script>
+
+
+
+  
+
+
+  
+
+
+
+
+	
+
+
+
+
+
+  
+
+
+
+
+
+  
+
+
+
+
+
+
+
+<!-- LOCAL: You can save these files to your site and update links -->
+    
+        
+        <link rel="stylesheet" href="https://aimingoo.github.io/gitmint/style/default.css">
+        <script src="https://aimingoo.github.io/gitmint/dist/gitmint.browser.js"></script>
+    
+<!-- END LOCAL -->
+
+    
+
+    
+
+
+
+
+
+
+
+  
+
+  <script type="text/javascript">
+    // Popup Window;
+    var isfetched = false;
+    var isXml = true;
+    // Search DB path;
+    var search_path = "search.xml";
+    if (search_path.length === 0) {
+      search_path = "search.xml";
+    } else if (/json$/i.test(search_path)) {
+      isXml = false;
+    }
+    var path = "/" + search_path;
+    // monitor main search box;
+
+    var onPopupClose = function (e) {
+      $('.popup').hide();
+      $('#local-search-input').val('');
+      $('.search-result-list').remove();
+      $('#no-result').remove();
+      $(".local-search-pop-overlay").remove();
+      $('body').css('overflow', '');
+    }
+
+    function proceedsearch() {
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay"></div>')
+        .css('overflow', 'hidden');
+      $('.search-popup-overlay').click(onPopupClose);
+      $('.popup').toggle();
+      var $localSearchInput = $('#local-search-input');
+      $localSearchInput.attr("autocapitalize", "none");
+      $localSearchInput.attr("autocorrect", "off");
+      $localSearchInput.focus();
+    }
+
+    // search function;
+    var searchFunc = function(path, search_id, content_id) {
+      'use strict';
+
+      // start loading animation
+      $("body")
+        .append('<div class="search-popup-overlay local-search-pop-overlay">' +
+          '<div id="search-loading-icon">' +
+          '<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +
+          '</div>' +
+          '</div>')
+        .css('overflow', 'hidden');
+      $("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');
+
+      $.ajax({
+        url: path,
+        dataType: isXml ? "xml" : "json",
+        async: true,
+        success: function(res) {
+          // get the contents from search data
+          isfetched = true;
+          $('.popup').detach().appendTo('.header-inner');
+          var datas = isXml ? $("entry", res).map(function() {
+            return {
+              title: $("title", this).text(),
+              content: $("content",this).text(),
+              url: $("url" , this).text()
+            };
+          }).get() : res;
+          var input = document.getElementById(search_id);
+          var resultContent = document.getElementById(content_id);
+          var inputEventFunction = function() {
+            var searchText = input.value.trim().toLowerCase();
+            var keywords = searchText.split(/[\s\-]+/);
+            if (keywords.length > 1) {
+              keywords.push(searchText);
+            }
+            var resultItems = [];
+            if (searchText.length > 0) {
+              // perform local searching
+              datas.forEach(function(data) {
+                var isMatch = false;
+                var hitCount = 0;
+                var searchTextCount = 0;
+                var title = data.title.trim();
+                var titleInLowerCase = title.toLowerCase();
+                var content = data.content.trim().replace(/<[^>]+>/g,"");
+                var contentInLowerCase = content.toLowerCase();
+                var articleUrl = decodeURIComponent(data.url);
+                var indexOfTitle = [];
+                var indexOfContent = [];
+                // only match articles with not empty titles
+                if(title != '') {
+                  keywords.forEach(function(keyword) {
+                    function getIndexByWord(word, text, caseSensitive) {
+                      var wordLen = word.length;
+                      if (wordLen === 0) {
+                        return [];
+                      }
+                      var startPosition = 0, position = [], index = [];
+                      if (!caseSensitive) {
+                        text = text.toLowerCase();
+                        word = word.toLowerCase();
+                      }
+                      while ((position = text.indexOf(word, startPosition)) > -1) {
+                        index.push({position: position, word: word});
+                        startPosition = position + wordLen;
+                      }
+                      return index;
+                    }
+
+                    indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));
+                    indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));
+                  });
+                  if (indexOfTitle.length > 0 || indexOfContent.length > 0) {
+                    isMatch = true;
+                    hitCount = indexOfTitle.length + indexOfContent.length;
+                  }
+                }
+
+                // show search results
+
+                if (isMatch) {
+                  // sort index by position of keyword
+
+                  [indexOfTitle, indexOfContent].forEach(function (index) {
+                    index.sort(function (itemLeft, itemRight) {
+                      if (itemRight.position !== itemLeft.position) {
+                        return itemRight.position - itemLeft.position;
+                      } else {
+                        return itemLeft.word.length - itemRight.word.length;
+                      }
+                    });
+                  });
+
+                  // merge hits into slices
+
+                  function mergeIntoSlice(text, start, end, index) {
+                    var item = index[index.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    var hits = [];
+                    var searchTextCountInSlice = 0;
+                    while (position + word.length <= end && index.length != 0) {
+                      if (word === searchText) {
+                        searchTextCountInSlice++;
+                      }
+                      hits.push({position: position, length: word.length});
+                      var wordEnd = position + word.length;
+
+                      // move to next position of hit
+
+                      index.pop();
+                      while (index.length != 0) {
+                        item = index[index.length - 1];
+                        position = item.position;
+                        word = item.word;
+                        if (wordEnd > position) {
+                          index.pop();
+                        } else {
+                          break;
+                        }
+                      }
+                    }
+                    searchTextCount += searchTextCountInSlice;
+                    return {
+                      hits: hits,
+                      start: start,
+                      end: end,
+                      searchTextCount: searchTextCountInSlice
+                    };
+                  }
+
+                  var slicesOfTitle = [];
+                  if (indexOfTitle.length != 0) {
+                    slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));
+                  }
+
+                  var slicesOfContent = [];
+                  while (indexOfContent.length != 0) {
+                    var item = indexOfContent[indexOfContent.length - 1];
+                    var position = item.position;
+                    var word = item.word;
+                    // cut out 100 characters
+                    var start = position - 20;
+                    var end = position + 80;
+                    if(start < 0){
+                      start = 0;
+                    }
+                    if (end < position + word.length) {
+                      end = position + word.length;
+                    }
+                    if(end > content.length){
+                      end = content.length;
+                    }
+                    slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));
+                  }
+
+                  // sort slices in content by search text's count and hits' count
+
+                  slicesOfContent.sort(function (sliceLeft, sliceRight) {
+                    if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {
+                      return sliceRight.searchTextCount - sliceLeft.searchTextCount;
+                    } else if (sliceLeft.hits.length !== sliceRight.hits.length) {
+                      return sliceRight.hits.length - sliceLeft.hits.length;
+                    } else {
+                      return sliceLeft.start - sliceRight.start;
+                    }
+                  });
+
+                  // select top N slices in content
+
+                  var upperBound = parseInt('1');
+                  if (upperBound >= 0) {
+                    slicesOfContent = slicesOfContent.slice(0, upperBound);
+                  }
+
+                  // highlight title and content
+
+                  function highlightKeyword(text, slice) {
+                    var result = '';
+                    var prevEnd = slice.start;
+                    slice.hits.forEach(function (hit) {
+                      result += text.substring(prevEnd, hit.position);
+                      var end = hit.position + hit.length;
+                      result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';
+                      prevEnd = end;
+                    });
+                    result += text.substring(prevEnd, slice.end);
+                    return result;
+                  }
+
+                  var resultItem = '';
+
+                  if (slicesOfTitle.length != 0) {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";
+                  } else {
+                    resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";
+                  }
+
+                  slicesOfContent.forEach(function (slice) {
+                    resultItem += "<a href='" + articleUrl + "'>" +
+                      "<p class=\"search-result\">" + highlightKeyword(content, slice) +
+                      "...</p>" + "</a>";
+                  });
+
+                  resultItem += "</li>";
+                  resultItems.push({
+                    item: resultItem,
+                    searchTextCount: searchTextCount,
+                    hitCount: hitCount,
+                    id: resultItems.length
+                  });
+                }
+              })
+            };
+            if (keywords.length === 1 && keywords[0] === "") {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'
+            } else if (resultItems.length === 0) {
+              resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'
+            } else {
+              resultItems.sort(function (resultLeft, resultRight) {
+                if (resultLeft.searchTextCount !== resultRight.searchTextCount) {
+                  return resultRight.searchTextCount - resultLeft.searchTextCount;
+                } else if (resultLeft.hitCount !== resultRight.hitCount) {
+                  return resultRight.hitCount - resultLeft.hitCount;
+                } else {
+                  return resultRight.id - resultLeft.id;
+                }
+              });
+              var searchResultList = '<ul class=\"search-result-list\">';
+              resultItems.forEach(function (result) {
+                searchResultList += result.item;
+              })
+              searchResultList += "</ul>";
+              resultContent.innerHTML = searchResultList;
+            }
+          }
+
+          if ('auto' === 'auto') {
+            input.addEventListener('input', inputEventFunction);
+          } else {
+            $('.search-icon').click(inputEventFunction);
+            input.addEventListener('keypress', function (event) {
+              if (event.keyCode === 13) {
+                inputEventFunction();
+              }
+            });
+          }
+
+          // remove loading animation
+          $(".local-search-pop-overlay").remove();
+          $('body').css('overflow', '');
+
+          proceedsearch();
+        }
+      });
+    }
+
+    // handle and trigger popup window;
+    $('.popup-trigger').click(function(e) {
+      e.stopPropagation();
+      if (isfetched === false) {
+        searchFunc(path, 'local-search-input', 'local-search-result');
+      } else {
+        proceedsearch();
+      };
+    });
+
+    $('.popup-btn-close').click(onPopupClose);
+    $('.popup').click(function(e){
+      e.stopPropagation();
+    });
+    $(document).on('keyup', function (event) {
+      var shouldDismissSearchPopup = event.which === 27 &&
+        $('.search-popup').is(':visible');
+      if (shouldDismissSearchPopup) {
+        onPopupClose();
+      }
+    });
+  </script>
+
+
+
+
+
+  
+
+  
+  <script src="https://cdn1.lncld.net/static/js/av-core-mini-0.6.4.js"></script>
+  <script>AV.initialize("EWwoJgHNdlj6iBjiFlMcabUO-gzGzoHsz", "x8FxDrYG79C8YFrTww9ljo8K");</script>
+  <script>
+    function showTime(Counter) {
+      var query = new AV.Query(Counter);
+      var entries = [];
+      var $visitors = $(".leancloud_visitors");
+
+      $visitors.each(function () {
+        entries.push( $(this).attr("id").trim() );
+      });
+
+      query.containedIn('url', entries);
+      query.find()
+        .done(function (results) {
+          var COUNT_CONTAINER_REF = '.leancloud-visitors-count';
+
+          if (results.length === 0) {
+            $visitors.find(COUNT_CONTAINER_REF).text(0);
+            return;
+          }
+
+          for (var i = 0; i < results.length; i++) {
+            var item = results[i];
+            var url = item.get('url');
+            var time = item.get('time');
+            var element = document.getElementById(url);
+
+            $(element).find(COUNT_CONTAINER_REF).text(time);
+          }
+          for(var i = 0; i < entries.length; i++) {
+            var url = entries[i];
+            var element = document.getElementById(url);
+            var countSpan = $(element).find(COUNT_CONTAINER_REF);
+            if( countSpan.text() == '') {
+              countSpan.text(0);
+            }
+          }
+        })
+        .fail(function (object, error) {
+          console.log("Error: " + error.code + " " + error.message);
+        });
+    }
+
+    function addCount(Counter) {
+      var $visitors = $(".leancloud_visitors");
+      var url = $visitors.attr('id').trim();
+      var title = $visitors.attr('data-flag-title').trim();
+      var query = new AV.Query(Counter);
+
+      query.equalTo("url", url);
+      query.find({
+        success: function(results) {
+          if (results.length > 0) {
+            var counter = results[0];
+            counter.fetchWhenSave(true);
+            counter.increment("time");
+            counter.save(null, {
+              success: function(counter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(counter.get('time'));
+              },
+              error: function(counter, error) {
+                console.log('Failed to save Visitor num, with error message: ' + error.message);
+              }
+            });
+          } else {
+            var newcounter = new Counter();
+            /* Set ACL */
+            var acl = new AV.ACL();
+            acl.setPublicReadAccess(true);
+            acl.setPublicWriteAccess(true);
+            newcounter.setACL(acl);
+            /* End Set ACL */
+            newcounter.set("title", title);
+            newcounter.set("url", url);
+            newcounter.set("time", 1);
+            newcounter.save(null, {
+              success: function(newcounter) {
+                var $element = $(document.getElementById(url));
+                $element.find('.leancloud-visitors-count').text(newcounter.get('time'));
+              },
+              error: function(newcounter, error) {
+                console.log('Failed to create');
+              }
+            });
+          }
+        },
+        error: function(error) {
+          console.log('Error:' + error.code + " " + error.message);
+        }
+      });
+    }
+
+    $(function() {
+      var Counter = AV.Object.extend("Counter");
+      if ($('.leancloud_visitors').length == 1) {
+        addCount(Counter);
+      } else if ($('.post-title-link').length > 1) {
+        showTime(Counter);
+      }
+    });
+  </script>
+
+
+
+  
+
+  
+
+  
+  
+
+  
+
+  
+
+  
+
+</body>
+</html>
diff --git a/tags/访问控制/index.html b/tags/访问控制/index.html
index 0c68b522..3a58e9e2 100644
--- a/tags/访问控制/index.html
+++ b/tags/访问控制/index.html
@@ -367,7 +367,7 @@
               
                 <a href="/archives/">
               
-                  <span class="site-state-item-count">5</span>
+                  <span class="site-state-item-count">6</span>
                   <span class="site-state-item-name">日志</span>
                 </a>
               </div>
@@ -389,7 +389,7 @@
               
               <div class="site-state-item site-state-tags">
                 <a href="/tags/index.html">
-                  <span class="site-state-item-count">11</span>
+                  <span class="site-state-item-count">14</span>
                   <span class="site-state-item-name">标签</span>
                 </a>
               </div>
@@ -466,7 +466,7 @@
       <i class="fa fa-area-chart"></i>
     </span>
     
-    <span title="Site words total count">6.4k</span>
+    <span title="Site words total count">7.7k</span>
   
 </div>