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发表时间：2012-01-01

发表刊物：计算机集成制造系统

卷号：18

期号：4

页面范围：833-839

ISSN号：1006-5911

摘要：Aiming at the delegation problem in information system,by starting with
   the existing problems of Role-based Network Model(RNM)in delegation
   process,the role-based network was improved from three aspects:the
   inheritance relationship between roles;the agreement between two sides
   in delegation process;the fine-grained dynamic control in delegation
   process;and Role-based Network Dynamic Delegation Model(RNDDM)was
   proposed further.This model not only inherited all the advantages of
   RNM,but also provided fine-grained dynamic control and the approach for
   two sides to reach agreement in delegation process.The good physical and
   space-time properties of RNDDM made delegation process simple and
   controllable.Based on elaborating the basic idea,the component and the
   formal model of RNM,the specific realization process of delegations
   setting and revocation in different circumstance was given by examples.

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