| 语义相关度算法在主题抽取中的适用性研究 |
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| 引用本文： | 裘江南,罗志成,叶鑫. 语义相关度算法在主题抽取中的适用性研究[J]. 情报学报, 2009, 28(1) |
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| 作者姓名： | 裘江南 罗志成 叶鑫 |
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| 作者单位： | 1. 大连理工大学管理学院,大连,116024
2. 武汉大学信息资源研究中心,武汉,430072 |
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| 基金项目： | 国家社会科学基金，辽宁省自然科学基金 |
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| 摘 要： | 语义相关度的计算方法在信息检索、文本挖掘和自然语言处理等方面有着广泛的应用,而其算法种类很多,这些算法针对不同的应用环境具有不同的适用性.本文汇总了多种语义相关度的计算方法,首先全面地概括分析了各类方法的特点,并以应急预案的主题抽取为背景,通过各种语义相关度算法在基于词汇链的主题抽取中的应用,研究了各种算法对主题抽取效果的影响,从而对各种算法在主题抽取中的适用性给出了相应的评价.
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| 关 键 词： | 语义相关 主题抽取 词汇链 |
Research on Applicability of Semantic Relatedness Algorithms in Subjects Extraction Based on Lexical Chain |
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| Qiu Jiangnan,Luo Zhicheng,Ye Xin. Research on Applicability of Semantic Relatedness Algorithms in Subjects Extraction Based on Lexical Chain[J]. Journal of the China Society for Scientific andTechnical Information, 2009, 28(1) |
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| Authors: | Qiu Jiangnan Luo Zhicheng Ye Xin |
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| Affiliation: | 1.School of Management;Dalian University of Technology;Dalian 116024;2.Center for Studies of information Resources;Wuhan University;Wuhan 430072 |
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| Abstract: | Algorithms of semantic relatedness,which have many different kinds,are widely applied in the area of information retrieval,text mining and natural language processing.Those algorithms of semantic relatedness have different applicability at different environment.In the paper multiple algorithms are collected and reviewed,roundly summed up and analyzed the character of these algorithms.Subject extraction from emergency plans is application background of semantic relatedness.In the end,the effect of semantic r... |
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| Keywords: | semantic relatedness subjects extraction lexical chain |
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