网上信息搜索技术与搜索引擎

Network Information Search Technology and Search Engine

随着Internet在全球范围内的迅速兴起,面对纷繁复杂的Web空间,如何在浩翰如海的信息空间里快速找到并取得所需的信息,便成为人们所关注的主要问题。搜索引擎的出现,极大地方便了Internet用户,使快速有效地获取信息成为可能。目前网上搜索引擎各种各样,有Yahoo!、Excite、AltaVista、Lycos、Infoseek、OpenText、WebCrawler、WWW Worm等几十种。

As amount of information grows continuously on the internet, people rely on search technology increasingly to find information they need. This paper discusses work principle of search engine, key technology, such as : model of information search, data organization and store, encoding recognition and conversion of Chinese information process and word partition technology of Chinese Characters. We have designed a search engine system for large-scale Web site based on this technology, and introduced function structure of this system. Finally, we discuss the goal of future evolution of search engine.