Joining automatic query expansion based on thesaurus and word sense disambiguation using WordNet

被引：13

作者：

Joao Pinto, Francisco ^{[1
]}

Farina Martinez, Antonio ^{[1
]}

Fernandez Perez-Sanjulian, Carme ^{[2
]}

机构：

[1] Univ A Coruna, Dept Comp Sci, Campus Elvina S-N, La Coruna 15071, Spain

[2] Univ A Coruna, Dept Galician Portuguese French & Linguist, La Coruna 15071, Spain

来源：

INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS IN TECHNOLOGY | 2008年 / 33卷 / 04期

关键词：

automatic query expansion; thesaurus; disambiguation; WordNet;

D O I：

10.1504/IJCAT.2008.022422

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The selection of the most appropriate sense of an ambiguous word in a certain context is one of the main problems in Information Retrieval (IR). For this task, it is usually necessary to count on a semantic source, that is, linguistic resources like dictionaries, thesaurus, etc. Using a methodology based on simulation under a vector space model, we show that the use of automatic query expansion and disambiguation of the sense of the words permits to improve retrieval effectiveness. As shown in our experiments, query expansion is not able by itself to improve retrieval. However, when it is combined with Word Sense Disambiguation (WSD), that is, when the correct meaning of a word is chosen from among all its possible variations, it leads to effectiveness improvements.

引用

页码：271 / 279

页数：9

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