UCF COT 4810 - Access Control in Collaborative Systems (13 pages)

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Access Control in Collaborative Systems



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Access Control in Collaborative Systems

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Pages:
13
School:
University of Central Florida
Course:
Cot 4810 - Topics in Computer Science
Topics in Computer Science Documents

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Access Control in Collaborative Systems WILLIAM TOLONE GAIL JOON AHN AND TANUSREE PAI University of North Carolina at Charlotte AND SENG PHIL HONG Information and Communications University Balancing the competing goals of collaboration and security is a difficult multidimensional problem Collaborative systems often focus on building useful connections among people tools and information while security seeks to ensure the availability confidentiality and integrity of these same elements In this article we focus on one important dimension of this problem access control The article examines existing access control models as applied to collaboration highlighting not only the benefits but also the weaknesses of these models Categories and Subject Descriptors K 6 5 Management of Computing and Information System Security and Protection General Terms Management Security Additional Key Words and Phrases Access control collaboration security models 1 INTRODUCTION Collaborative systems groupware or multi user applications allow groups of users to communicate and cooperate on common tasks Example systems include a wide range of applications such as audio video conferencing collaborative document sharing editing distance learning workflow management systems and so on All of these systems contain information and resources with different degrees of sensitivity The applications deployed in such systems create manipulate and provide access to a variety of protected information and resources Balancing the competing goals of collaboration and security is difficult because interaction in collaborative systems is targeted towards making people The work of Gail J Ahn was partially supported by the grants from National Science Foundation NSF IIS0242393 and Department of Energy Early Career Principal Investigator Award DE FG02 03ER25565 Authors address Department of Software and Information Systems College of Information Technology University of North Carolina at Charlotte 9201 University



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