摘要
文章论述了确立系统模式的基本思想,在此基础上,采用数理统计的方法,建立了用户数增长模型,并运用这一模型,根据定题服务和追溯检索的不同特点,分别用静态和动态分析方法建立了技术经济论证的数字模型。
The basic ideas of the system model presented in this paper are described. A model with an increasing number of queries is developed by the statistical method. In accordance with the different characteristics of selective dissemination of information (SDI) and retrospective searching (RS) services, this model is used to develop the technic-economic evaluation models by means of both static and dynamic analyses.
出处
《情报学报》
1986年第1期1-9,共9页
Journal of the China Society for Scientific and Technical Information