摘要
首先分析了以往信息检索中利用词间相关性的局限性,针对Internet检索对象是Web页面,具有篇幅较小的特点犤2犦,提出“主题关键词集合”的概念,利用词间相关性,通过计算用户查询词集合与网页主题关键词集合之间的距离,对检索结果重新排序。
This paper analyze s the limitation of the usage of words' relationship for the past.As for information retrieval on Internet,writers want to find the Web pages,and these pages have the feature that their size are often small,so pre-sent just one subject.Thereof,the paper brings forward a new concept 'Topic
出处
《计算机工程与应用》
CSCD
北大核心
2002年第21期112-113,共2页
Computer Engineering and Applications
关键词
WEB
信息检索
搜索引擎
词间相关性
主题关键词
INTERNET
Set'(TKS),with the explore of the word's relationship,through calculate distance between the user's query and TKS,re-sort the result list.Keywords :Information Retrieval,Search Engine,Relevance Between Words,Topic Keyword
