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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2002, Vol. 3 Issue (3): 292-297    DOI: 10.1631/jzus.2002.0292
Computer Technology & Industrial Engineering     
Consistency maintenance for constraint in role-based access control model
HAN Wei-li, CHEN Gang, YIN Jian-wei, DONG Jin-xiang
State Key Laboratory of Computer Aided Design and Computer Graphics, Zhejiang University, Hangzhou 310027, China
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Abstract  Constraint is an important aspect of role-based access control and is sometimes argued to be the principal motivation for role-based access control (RBAC). But so far few authors have discussed consistency maintenance for constraint in RBAC model. Based on researches of constraints among roles and types of inconsistency among constraints, this paper introduces corresponding formal rules, rule-based reasoning and corresponding methods to detect, avoid and resolve these inconsistencies. Finally, the paper introduces briefly the application of consistency maintenance in ZD-PDM, an enterprise-oriented product data management (PDM) system.

Key words： Consistency maintenance      Role-based access control      Product data management      Constraint     
Received: 08 June 2001     
CLC:  TP309.2  
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CHEN Gang
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DONG Jin-xiang
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HAN Wei-li, CHEN Gang, YIN Jian-wei, DONG Jin-xiang. Consistency maintenance for constraint in role-based access control model. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2002, 3(3): 292-297.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2002.0292     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2002/V3/I3/292

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