信息资源的开发与检索

信息资源建设是信息研究的一个重要课题,也是知识创新的一个途径。立足实际情况,讲述了制定信息资源开发的原则、如何合理配置信息资源和如何采集电子文献与网上信息资源及建立信息导航库。给出了push技术、WWW信息挖掘技术和网上信息直接检索等3种信息资源的开发技术。论述了网络时代信息检索的特点及变化和引进全文检索数据库的重要性及网上信息直接检索方式的实现。

Development and Retrieval of Information Resources

Development of information resources is an important task of information research, and also an approach to knowledge innovation. This paper, based on the actual circumstance of our institute, gives principles for development of information resources, and proposes some approaches of rationally placing information resources, collecting e-literatures and Web-information resources, and establishing information guidance base. Then, three kinds of technologies of development of information resources are put forward, i. e., pushtechnology, WWW information mining technologies and Web-information direct-retrieval. Then final part of the paper states characteristics and changes of information retrieval in the Web era, importance of introducing full-text retrieval database, and realization of Web-information direct-retrieval ways.