Evaluation of a thesaurus-based query expansion technique

被引：0
|
作者：
Pizzato, LAS [1 ]
de Lima, VLS [1 ]
机构：
[1] Pontificia Univ Catolica Rio Grande Do Sul, PUCRS, FACIN, PPGCC, BR-9061990 Porto Alegre, RS, Brazil
来源：
COMPUTATIONAL PROCESSING OF THE PORTUGUESE LANGUAGE, PROCEEDINGS | 2003年 / 2721卷
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper concerns the use and evaluation of a thesaurus-based query expansion method in information retrieval. The query expansion process assigns weights to different types of relations obtained fom vocabulary structures, providing an efficient way to measure distance measure between different terms. This method, tested for Portuguese, improved the overall information retrieval performance on small corpora and over the Internet.
引用
收藏
页码：251 / 258
页数：8
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