In order to help the user to retrieval the useful web information, the, web information retrieval system comes into being.
为了帮助用户检索和获得网络上的丰富信息，网络信息检索系统应运而生。
This article discussed the concept and application of thesaurus, from thesaurus to thesaurus network, its application of Web information retrieval system.
本文探讨了叙词表的概念与应用特点；从叙词表到叙词网络；叙词表在网络信息检索系统中的应用。
Therefore, a research on the standard system of heterogeneous information retrieval under the web environment becomes an important topic of current information retrieval area.
因此研究网络环境下，异构信息检索的标准体系成为当前信息检索领域的一个研究热点。
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