中文微博的话题相关性分析的研究

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1、国防科学技术大学研究生院硕士学位论文2.4.3关键词抽取算法的核心思想...............................................................182.5本章小结.........................................................................................................19第三章Hashtag话题相关性分析......................

2、..............................................203.1引言.................................................................................................................203.2相关工作..............................................................................

3、...........................203.3问题描述.........................................................................................................213.4特征设计.......................................................................................................

4、..223.4.1Hashtag文本特征(JaccardOfHashtag).................................................223.4.2包含Hashtag的微博内容(WeiboText)..............................................233.4.3Hashtag的出现次数-时间分布(Time).................................................233.4.4Ha

5、shtag的共现(Co-Occurrence)..........................................................243.5Hashtag相关性分析模型的构造....................................................................253.6实验构造与结果分析....................................................................

6、.................263.6.1实验语料..............................................................................................263.6.2机器学习模型的选择..........................................................................283.6.3实验评价方法............................

7、...........................................................293.6.4实验设置..............................................................................................293.6.5实验结果及分析...........................................................................

8、.......303.7本章小结.........................................................................................................33第四章微博集合的子话题分析.......................................................................354.1引言...............