摘要
随着网络信息资源的迅速膨胀,单个搜索引擎由于信息覆盖率低、检索规则不一致等诸多问题已不能满足用户日益增长的信息需求。因此,一种新的信息获取技术——元搜索引擎技术应运而生。本文介绍了元搜索引擎的定义、特征,分析了元搜索引擎的主要实现技术,讨论了元搜索引擎的发展趋势。
With the quickly expansion of intemet information resources, the traditional single search engine may not meet the growing needs of users, due to low information coverage and increasingly information requirements. Therefore, a new kind of information search technologymeta search engine arises. The article introduced its definition and characteristic, analyzed the main techniques that realize the search purpose, discussed the development tangency of the meta search engine.
出处
《现代情报》
北大核心
2008年第7期61-62,66,共3页
Journal of Modern Information
关键词
搜索引擎
元搜索引擎
信息检索
search engine
meta search engine
information retrieval
