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3 预处理的T2问题数据 |
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Title | Focus | Cohesion | Impact | Is | Order | Tree1.Topic16 | 109 452 | 15.91 | 109 622 | 0 | 137 | Tree1.Topic17 | 95 | 0 | 0 | 0 | 139 | Tree1.Topic18 | 648 | 7.18 | 457 | 0 | 145 | Tree1.Topic19 | 5 068 | 3.49 | 111 | 0 | 149 | Tree1.Topic20 | 950 | 3.27 | 11 670 | 0 | 153 | Tree1.Topic21 | 801 | 1.53 | 46 | 0 | 159 | Tree1.Topic22 | 1 472 | 1.97 | 44 | 0 | 163 | Tree1.Topic23 | 791 | 2.37 | 586 | 0 | 164 | Tree1.Topic24 | 426 | 1.83 | 12 650 | 0 | 173 | Tree1.Topic25 | 281 | 1.85 | 68 | 0 | 180 | Tree1.Topic26 | 871 | 3.39 | 5 181 | 0 | 203 | Tree1.Topic27 | 1 196 | 2.11 | 144 588 | 0 | 207 | Tree1.Topic28 | 576 | 3.13 | 9 949 | 0 | 209 | Tree1.Topic29 | 408 | 1.95 | 16 350 | 0 | 213 | Tree1.Topic30 | 463 | 2.46 | 465 | 0 | 234 |
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