Research On Model Based On Attribute And Semantic Web For Web Service

Based on uniform data format and open standard protocol，Web Services greatlymeets the needs of enterprises. But due to the high dispersibility and dynamics of WebService environment，many problems come which traditional model cannot deal with.The most effective method is developing suitable access control model. The thesis firsthas depth study of three traditional access control models and semantic Web. Then thearticle introduces the policy description language XACML, including a more detailedanalysis of its data flow model and policy language model.Based on the above theoretical studies, this essay proposes the access controlmodel based on attribute and semantic Web called SW-ABAC. This paper firstintroduces the formal definition of the model，gives the XACML framework of model.Then it draws the advantage of SW-ABAC by comparing SW-ABAC with RBAC andABAC in realization. Meanwhile, we give a method based on attribute decompositionto solve the conflict of strategy. Finally, we discuss the XACML implementationframework of SW-ABAC model and establish the model in a specific scene. The resultshows that SW-ABAC model has a high level of flexibility and scalability. And it cansolve property heterogeneous problem effectively, very suitable for Web services.