摘要
The paper analyzes the information retrieval mechanism with diachrony method,divides information retrieval process into four circumstances,that is,information need,information want,information demand and retrieval,and information assimilation and use,and based on Brooks Equation,goes further into details of information retrieval mechanism.
The paper analyzes the information retrieval mechanism with diachrony method,divides information retrieval process into four circumstances,that is,information need,information want,information demand and retrieval,and information assimilation and use,and based on Brooks Equation,goes further into details of information retrieval mechanism.
出处
《情报理论与实践》
CSSCI
北大核心
2001年第6期423-425,共3页
Information Studies:Theory & Application
关键词
用户
情报检索机制
历时性分析
information retrieval
user study
mathematical model
