【摘要】 基于专题文献的信息过滤系统的设计,主要解决以下关键问题:(1)针对学术用户信息需求特点,构建动态可适性用户模型。(2)建立结构合理、高效运行、容量高的本地数据库后台支撑体系。(3)利用智能信息推送技术,为专业用户提供经过过滤的有针对性的文献信息。图3。参考文献5。更多还原

【Abstract】 The authors think that the design of a subject document information filtering and service syslem should include the following key issues: (1) Constructing a dynamic adaptive user model according to the information needs of academic users; (2) Establishing an efficient background support system;(3) Utilizing intelligent information push technology to provide filtered and customized information. 3 figs. 5 refs.更多还原