Wang, Hua and Yong, Jianming and Li, Jiuyong and Peng, Min (2008) Authorization approaches for advanced permission-role assignments. In: CSCWD 2008: 12th International Conference on Computer Supported Cooperative Work in Design , 16-18 Apr 2008, Xi'an China.
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Role-based access control (RBAC) has been proven to be a flexible and useful access control model for information sharing in distributed collaborative environments. Permission-role assignments (PRA) are one important process in the access model. However, problems may arise during the procedures of PRA. Conflicting permissions may assign to one role, and as a result, the role with the permissions can derive unexpected access capabilities. This paper aims to analyse the problems during the procedures of permission-role assignments in distributed collaborative environments and to develop authorization allocation algorithms to address the problems with permission-role assignments. The algorithms are extended to the case of PRA with the mobility of permission-role relationship. Finally, comparisons with other related work are discussed to demonstrate the effective work of the paper.
|Item Type:||Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)|
|Additional Information:||Accepted version deposited in accordance with the copyright policy of the publisher. ©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.|
|Uncontrolled Keywords:||permission-role assignments; RBAC; PRA; authorization|
|Subjects:||280000 Information, Computing and Communication Sciences|
|Depositing User:||Dr Jianming Yong|
|Date Deposited:||14 Oct 2009 06:09|
|Last Modified:||02 Jul 2013 23:24|
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