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A semantic based policy management f...

Takabi, Hassan.

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A semantic based policy management framework for cloud computing environments.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	A semantic based policy management framework for cloud computing environments./
作者:	Takabi, Hassan.
面頁冊數:	124 p.
附註:	Source: Dissertation Abstracts International, Volume: 75-03(E), Section: B.
Contained By:	Dissertation Abstracts International75-03B(E).
標題:	Information Technology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3577053
ISBN:	9781303591556

A semantic based policy management framework for cloud computing environments.
Takabi, Hassan.

A semantic based policy management framework for cloud computing environments. - 124 p.

Source: Dissertation Abstracts International, Volume: 75-03(E), Section: B.

Thesis (Ph.D.)--University of Pittsburgh, 2013.

Cloud computing paradigm has gained tremendous momentum and generated intensive interest. Although security issues are delaying its fast adoption, cloud computing is an unstoppable force and we need to provide security mechanisms to ensure its secure adoption.

ISBN: 9781303591556Subjects--Topical Terms:

1030799
Information Technology.

A semantic based policy management framework for cloud computing environments.
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245 1 2 $a A semantic based policy management framework for cloud computing environments.
300 $a 124 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-03(E), Section: B.
500 $a Adviser: James B. D. Joshi.
502 $a Thesis (Ph.D.)--University of Pittsburgh, 2013.
520 $a Cloud computing paradigm has gained tremendous momentum and generated intensive interest. Although security issues are delaying its fast adoption, cloud computing is an unstoppable force and we need to provide security mechanisms to ensure its secure adoption.
520 $a In this dissertation, we mainly focus on issues related to policy management and access control in the cloud. Currently, users have to use diverse access control mechanisms to protect their data when stored on the cloud service providers (CSPs). Access control policies may be specified in different policy languages and heterogeneity of access policies pose significant problems. An ideal policy management system should be able to work with all data regardless of where they are stored. Semantic Web technologies when used for policy management, can help address the crucial issues of interoperability of heterogeneous CSPs.
520 $a In this dissertation, we propose a semantic based policy management framework for cloud computing environments which consists of two main components, namely policy management and specification component and policy evolution component. In the policy management and specification component, we first introduce policy management as a service (PMaaS), a cloud based policy management framework that give cloud users a unified control point for specifying authorization policies, regardless of where the data is stored. Then, we present semantic based policy management framework which enables users to specify access control policies using semantic web technologies and helps address heterogeneity issues of cloud computing environments. We also model temporal constraints and restrictions in GTRBAC using OWL and show how ontologies can be used to specify temporal constraints. We present a proof of concept implementation of the proposed framework and provide some performance evaluation.
520 $a In the policy evolution component, we propose to use role mining techniques to deal with policy evolution issues and present StateMiner, a heuristic algorithm to find an RBAC state as close as possible to both the deployed RBAC state and the optimal state. We also implement the proposed algorithm and perform some experiments to demonstrate its effectiveness.
520 $a Keywords: cloud computing, policy management, semantic web, access control, policy evolution, role mining.
590 $a School code: 0178.
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