| 查询扩展技术进展与展望 |
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| 引用本文： | 黄名选,严小卫,张师超.查询扩展技术进展与展望[J].计算机应用与软件,2007,24(11):1-4,8. |
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| 作者姓名： | 黄名选 严小卫 张师超 |
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| 作者单位： | [1]广西师范大学计算机科学学院,广西桂林541004 [2]广西教育学院数学与计算机科学系,广西南宇530023 [3]悉尼理工大学信息技术学院,澳大利亚悉尼 |
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| 摘 要： | 查询扩展技术是改善信息检索中查全率和查准率的关键技术之一,并成为近年来研究的热点.以查询扩展技术的发展为主线,将目前的研究方法归纳为三类:关键词查询扩展技术、查询词权重调整技术和语义概念查询扩展技术.对这三类扩展技术进行了整体性阐述和比较性研究,对一些关键性问题进行了探讨,并展望未来的发展趋势.
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| 关 键 词： | 查询扩展 信息检索 语义扩展 概念查询 查询扩展技术 进展与展望 TECHNIQUES QUERY EXPANSION PERSPECTIVE 趋势 关键性问题 比较性研究 阐述 整体性 语义概念 调整技术 权重 关键词 研究方法 发展 热点 查准率 查全率 信息检索 |
| 修稿时间： | 2005-11-14 |
REVIEW AND PERSPECTIVE OF QUERY EXPANSION TECHNIQUES |
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| Huang Mingxuan,Yan Xiaowei,Zhang Shichao.REVIEW AND PERSPECTIVE OF QUERY EXPANSION TECHNIQUES[J].Computer Applications and Software,2007,24(11):1-4,8. |
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| Authors: | Huang Mingxuan Yan Xiaowei Zhang Shichao |
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| Affiliation: | 1. College of Computer Science, Guangxi Normal University, Guilin 541004, Guangxi, China; 2 . Department of Math and Computer Sciemce, Guangxi College of Education, Narming 530023, Guangxi, China ; 3 . Faculty of Information Technology, University of Technology,Sydney Australia |
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| Abstract: | As one of the key techniques for improving both precision and recall rate in information retrieval, query expansion has become a hot research topic in recent years. The development of query expansion techniques is presented as a thread. The existing techniques are divided into three classes, namely, keyword-hased query expansion, weight-adjustment technique, and semantic concept expansion. These techniques are discussed and compared systematically. Some critical issues on query expansion are further studied. Finally, trends of query expansion tech- niques are given. |
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| Keywords: | Query expansion Information retrieval Semantic expansion Concept query |
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