【摘要】 信息需求的表征对于网络数据库用户信息检索能否成功有重要影响。本文从认知行为的角度,分析了影响网络数据库用户信息需求表征的三大影响因素——领域知识、语言知识、心理因素,进而对网络数据库检索平台的设计提出优化设想。更多还原

【Abstract】 Surface characteristics of user information demand has a great effect on whether the informa-tion retrieval of network database can be success or not.In this passage,we analysis three main factors of the information demand for network database--the domain knowledge,the linguistic knowledge and the psychological factors,according to the cognitive behavior.In this way,we put forward optimization design to the information retrieval of network database platform.更多还原