网络信息搜索技术的研究进展

搜索技术可以分为以分类目录为主的搜索引擎、以网页全文检索为主的搜索引擎和新兴的搜索技术。其中，对称搜索技术是当今搜索技术的代表，本文从对称搜索技术的优越性、对称性、对称搜索引擎的收录范围以及对称搜索技术在商业中的应用三个方面对其进行了介绍。Google是互联网信息搜索技术的代表，文章重点介绍了Google中的对称搜索技术以及Google进行高速搜索的关键一索引，从中可以了解到Coogle取胜的原因。

Research progress of network information search technology

The technology of searching may be divided into the searching engine, whose main part is the catelogue of classifying, the searching engine which is mainly search on the web-page-main-contents indexing and the new technology of searching, among which the symmetric technology of searching is the representative of the technology of searching. This paper introduces three points that are the superiority, symmetry, the including range of the symmetry searching engine and the commercial implimentation of the symmetric technology of searching. Google is the representative of technology of searching of the Internet information whose symme-tric technology of searching is emphatically introduced and it's decisive means-indexing in high speed searching from which people can undersland the reason why Google can succeed in this field.