网络信息检索中传统叙词表的分析与改进  

The Analysis and Improvement of Thesaurus in Network Information Retrieval

作　　者：熊霞[1] 胡秀梅[1] 杨江丽[1] 

机构地区：[1]西南交通大学图书馆,四川成都610031

出　　处：《四川图书馆学报》2012年第3期24-26,共3页Journal of The Library Science Society of Sichuan

摘　　要：分析了传统叙词表在网络信息检索系统应用中存在的不足之处,并提出了改进方案,即在传统叙词表的基础上构建一个包括核心词库、扩展词库以及两者间映射关系的扩展型叙词表,该词表可用于对用户检索词进行规范化处理,从而改善检索效果。This paper analyzed shortcomings of old thesaurus which was used in network information retrieval sys- tems, and put forward an improvement program. That is to establish an extended thesaurus which is consist of the core thesaurus, expanded vocabulary and mapping between them based on the old one. The extended thesaurus can be used to normalize the keywords in order to improve the retrieval results.

关 键 词：叙词表 词间关系 信息检索 规范化 

分 类 号：G254.2[文化科学—图书馆学]