Grey Relational Analysis for Query Expansion

被引：0

作者：

Zou, Junjie ^{[1
,2
]}

Yu, Zhengtao ^{[1
,2
]}

Zong, Huanyun ^{[1
,2
]}

Guo, Jianyi ^{[1
,2
]}

Su, Lei ^{[1
,2
]}

机构：

[1] Kunming Univ Sci & Technol, Sch Informat Engn & Automat, Kunming 650051, Peoples R China

[2] Kunming Univ Sci & Technol, Intelligent Informat Proc Key Lab, Kunming 650051, Peoples R China

来源：

NATURAL LANGUAGE PROCESSING AND CHINESE COMPUTING, NLPCC 2013 | 2013年 / 400卷

关键词：

query expansion; grey relational analysis; FET-GRA;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

For one-sidedness of the various qualitative expansion methods, we propose a query terms selection method based on Grey Relational Analysis (GRA). We called the fusion expansion technique with GRA (FET-GRA). It calculates weight of expansion term by varied qualitative expansions and comprehensive weight by FET-GRA and thus extracts expansion term in terms of the weight. The experiment result of TREC dataset shows the method (FET-GRA) is substantially superior to TF-IDF, Mutual Information, Local Context Analysis.

引用

页码：386 / 393

页数：8

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