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搜索引擎中相关性反馈技术
被引:14
作者:
陶跃华
孙茂松
机构:
[1] 云南师范大学计算机科学系!云南
[2] 清华大学计算机科学与技术系!北京
来源:
关键词:
Internet;
search engine/relevance feedback;
D O I:
10.16353/j.cnki.1000-7490.2001.04.020
中图分类号:
TP393 [计算机网络];
学科分类号:
081201 ;
1201 ;
摘要:
As an important component of search engines,the relevance feedback system is very effective for improving the performance of search engines.This paper firstly reviews the history of relevance feedback technology in the past 30 years,then introduces 2 major methods in relevance feedback,i.e.term reweighting and query expansion,and discusses the relevance feedback technologies based on vector space model and statistical ranking model.
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页码:295 / 297
页数:3
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