【摘要】 <正> 1 引言在开放式环境中进行分布式信息处理和协同设计,有关各方如何共享彼此的信息是一个非常重要的问题。在设计这样的信息系统时,由于要考虑不同信息源的集成、安全性、网络带宽、信息的组织(数据库的设计)的要求,同时系统还必须有效地适应各信息源的更多还原

【Abstract】 In this paper,a distributed cooperative information system oriented middleware--CISOM .is brought forward. The designing idea,architecture and implementing technology are discussed, and the performance of CISOM is also analyzed. The prospect of using CISOM in distance education is explored and a CISOM-based virtual university model is given and realized,which shows the function of this middleware and at the same time,the practical paradigm of mobile agent technology is given.更多还原