A Study of Key Techniques of Subject Information Gateway Service

Abstract

The purpose of this article is to draw the attention of all sectors of the society to subject information gateway construction and guide the experts in computer science and library and information science to attach importance to utilization and exploitation of key information techniques of subject information gateway service. The Internet survey and literature investigation are research methods of this article. The conclusion shows that people don’t concern about utilization of subject information gateway because of the lack of in-depth exploitation. This paper expounds 4 key techniques of subject gateway service: information organization technology, meta-searching technique, XML technique and computer security technique.