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2 预处理的T1问题数据 |
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| Title | Focus | Cohesion | Impact | Is | Order | | Tree1.Topic1 | 1 379 560 | 8.99 | 502 643 | 1 | 25 | | Tree1.Topic2 | 9 495 | 9.81 | 83 591 | 1 | 49 | | Tree1.Topic3 | 356 204 | 8.04 | 522 595 | 1 | 55 | | Tree1.Topic4 | 51 740 | 8.23 | 89 478 | 1 | 63 | | Tree1.Topic5 | 347 185 | 9.28 | 994 162 | 1 | 93 | | Tree1.Topic6 | 3 496 | 1.98 | 8 874 | 1 | 94 | | Tree1.Topic7 | 8 538 | 3.64 | 597 | 1 | 96 | | Tree1.Topic8 | 4 361 | 4.41 | 10 818 | 1 | 99 | | Tree1.Topic9 | 56 159 | 3.33 | 93 735 | 1 | 110 | | Tree1.Topic10 | 35 877 | 1.82 | 21 288 | 1 | 115 | | Tree1.Topic11 | 6 600 | 5.86 | 5 318 | 1 | 118 | | Tree1.Topic12 | 403 128 | 8.66 | 97 756 | 1 | 121 | | Tree1.Topic13 | 4 249 | 1.89 | 1 108 | 1 | 124 | | Tree1.Topic14 | 703 195 | 15.20 | 52 308 | 1 | 128 | | Tree1.Topic15 | 1 327 | 4.31 | 2 760 | 1 | 136 |
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