基于CART决策树的网络问答社区新兴话题识别研究*
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程秀峰, 张心怡, 王宁
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Identifying Trending Topics in Q&A Community with CART Decision Tree
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Cheng Xiufeng,Zhang Xinyi,Wang Ning
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| 表5 预处理的T4问题数据 |
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| Title | Focus | Cohesion | Impact | Is | Order | | Tree2.Topic16 | 156 | 1.82 | 8 982 | 0 | 106 | | Tree2.Topic17 | 102 | 3.78 | 51 | 0 | 113 | | Tree2.Topic18 | 309 | 1.64 | 1 141 | 0 | 120 | | Tree2.Topic19 | 865 | 1.34 | 2 178 | 0 | 127 | | Tree2.Topic20 | 161 | 2.68 | 39 | 0 | 134 | | Tree2.Topic21 | 75 | 3.26 | 54 | 0 | 141 | | Tree2.Topic22 | 187 | 2.68 | 27 | 0 | 148 | | Tree2.Topic23 | 87 | 2.04 | 169 | 0 | 155 | | Tree2.Topic24 | 57 | 1.81 | 1 350 | 0 | 162 | | Tree2.Topic25 | 117 | 2.03 | 47 | 0 | 169 | | Tree2.Topic26 | 56 | 1.78 | 405 | 0 | 176 | | Tree2.Topic27 | 31 | 1.91 | 1 091 | 0 | 183 | | Tree2.Topic28 | 130 | 1.99 | 18 | 0 | 190 | | Tree2.Topic29 | 59 | 1.76 | 239 | 0 | 197 | | Tree2.Topic30 | 93 | 1.71 | 64 | 0 | 204 |
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