摘要
在现有研究的基础上,对信息检索技术进行概述,首先对基于关键词匹配的信息检索技术进行了讨论,并指出其不足。其次针对关键词检索中存在的问题对两类语义检索进行了研究,实现了把信息检索从基于关键词层面提高到知识层面。
Information retrieval techniques have become hotspots of the research and made great progress, on the basis of the existing research, in this paper summarize the information retrieval techniques.At first we discuss the key words retrieval techniques and point out the shortcoming of key words retrieval, secondly to that problems we study two kinds of semantic retrieval, the transition of information retrieval is implemented from based on key aspects to intellectual plane.
出处
《软件导刊》
2010年第9期35-37,共3页
Software Guide
关键词
信息检索
VSM
本体概念
潜在语义分析
查询扩展
Information Retrieval
Vector Space Model
Ontology Concept
Latent Semantic Analysis
Query Extension
