| 基于加权信息论的突发事件新闻主题抽取方法 |
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| 引用本文： | 陈炯,张永奎.基于加权信息论的突发事件新闻主题抽取方法[J].计算机应用,2008,28(Z1). |
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| 作者姓名： | 陈炯 张永奎 |
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| 作者单位： | 1. 山西综合职业技术学院,计算机工程系,太原,030006
2. 山西大学计算机与信息技术学院,太原,030006 |
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| 基金项目： | 国家自然科学基金
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山西省自然科学基金
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山西省科技攻关项目 |
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| 摘 要： | 在分析突发事件新闻文本特点的基础上,提出了一种基于加权信息论的主题抽取方法,与传统的方法相比,该方法既考虑了主题词在文本中所合统计信息,又考虑了突发事件新闻文本中主题词出现的位置特征.实验结果表明,采用该方法对突发事件新闻文本进行主题抽取具有较好的性能.
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| 关 键 词： | 突发事件新闻 主题抽取 词位向量 句权向量 加权信息论 |
Method of theme collecting from the text of accident news based on weighted information theory |
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| CHEN Jiong,ZHANG Yong-kui.Method of theme collecting from the text of accident news based on weighted information theory[J].journal of Computer Applications,2008,28(Z1). |
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| Authors: | CHEN Jiong ZHANG Yong-kui |
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| Affiliation: | CHEN Jiong1,ZHANG Yong-kui2(1.Department of Computer Engineering,Shanxi Comprehensive Professional Technical College,Taiyuan Shanxi 030006,China,2.School of Computer , Information Technology,Shanxi University,China) |
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| Abstract: | An effective method of theme collecting was proposed based on weighted information theory.Comparing to the traditional methods,the statistic information of the theme words in the text was considered,and the position characteristics of the theme words in the text of accident news were taken onto account.The experiment results show that this method performs well in terms of theme collecting from the text of accident news. |
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| Keywords: | accident news theme collecting vector of words position vector of sentence weight weighted information theory |
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