HE Chaoying, JIANG Jie, CHEN Jun, HAN Gang. An Improved Task-Role-Based Access Control on Hierarchical Object in G-CSCW[J]. Geomatics and Information Science of Wuhan University, 2006, 31(8): 716-719.
Citation: HE Chaoying, JIANG Jie, CHEN Jun, HAN Gang. An Improved Task-Role-Based Access Control on Hierarchical Object in G-CSCW[J]. Geomatics and Information Science of Wuhan University, 2006, 31(8): 716-719.
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An Improved Task-Role-Based Access Control on Hierarchical Object in G-CSCW

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  • An improved task-role-based access control model (X-TRBAC) for GIS-based computer supported cooperative work(G-CSCW) systems is presented.Two concepts are introduced: object hierarchy and operation hierarchy.On the basis two concepts,the rules for defining permissions is proposed.The experiments show that the method can simplify the definition of permissions,and it is more applicable for G-CSCW applications.
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