| 知网的话题更新与跟踪算法研究 |
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| 引用本文： | 焦健,瞿有利.知网的话题更新与跟踪算法研究[J].北京交通大学学报(自然科学版),2009,33(5). |
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| 作者姓名： | 焦健 瞿有利 |
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| 作者单位： | 北京交通大学计算机与信息技术学院,北京,100044;北京交通大学计算机与信息技术学院,北京,100044 |
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| 基金项目： | 教育部科学技术研究重点项目资助 |
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| 摘 要： | 话题跟踪是一项面向新闻报道信息流进行已知话题跟踪的信息处理技术,本文在现有的向量空间描述文档的基础上,实现了一个基于话题更新的话题跟踪算法,提出了基于知网的近义动词分析的跟踪算法及基于知网的近义动词分析和话题更新的话题跟踪算法.实验表明话题更新和同义词近义词的消除提高了话题跟踪算法的性能.
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| 关 键 词： | 自然语言处理 话题跟踪 新闻报道 知网 话题更新 |
Algorithm Study of Topic Tracking Based on HowNet and Topic Renewal |
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| JIAO Jian,QU Youli.Algorithm Study of Topic Tracking Based on HowNet and Topic Renewal[J].JOURNAL OF BEIJING JIAOTONG UNIVERSITY,2009,33(5). |
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| Authors: | JIAO Jian QU Youli |
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| Institution: | JIAO Jian,QU Youli(School of Computer , Information Technology,Beijing Jiaotong University,Beijing 100044,China) |
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| Abstract: | Topic tracking,as one of natural language processing technologies,is to track known topic from the information stream of news media.This paper implements an algorithm of topic tracking based on topic renewal through describing the vector space model.In addition,it also presents an algorithm of topic tracking based on synonymic verb analysis of Hownet,and an algorithm of topic tracking which is combined synonymic verb analysis with topic renewal.The experiments show that topic renewal and synonymic verb anal... |
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| Keywords: | natural language processing topic tracking news stories HowNet topic renewal |
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