【摘要】 从用户和信息的概念框架着手 ,本文试图探讨信息交流的诸多行为。在一个较严格的模型中 ,分析了继承、委托、授权三种行为的定义和约束 ,说明了信息交流行为的复杂性。本文也分析了实现这些模型所需要的机制。更多还原

【Abstract】 Based on the concept framework of user and information,the paper is to discuss several behaviors for information exchange.The definitions and constraints of inheriting,delegating,and authorizing are given in a relatively strict model.The basic implementation mechanisms for the model are also discussed.[WT5HZ]更多还原