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一、引言 WWW的迅速发展,使其成为全球信息传递与共享的日益重要和最具潜力的资源,如何管理WWW上的大量信息,以满足用户不断增长的高质量的信息需求?WWW作为一种新的环境资源,为新技术的产生开辟了新的领域,同时也为传统技术(如数据库、人工
I. Introduction The rapid development of WWW makes it an increasingly important and potential resource for global information transmission and sharing. How to manage a large amount of information on the WWW to meet the growing demand of users for high-quality information? WWW as a New environmental resources open up new areas for the emergence of new technologies as well as traditional technologies such as databases,