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 dif cult, multidimensional problem. Collaborative systems often focus on building useful connections among people, tools, and information while security seeks to ensure the availability, con dentiality, 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 bene ts, 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, work ow 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
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Access control in collaborative systems
Tolone, William; Ahn, Gail-Joon; Pai, Tanusree; Hong, Seng-Phil
Follow ACM Computing Surveys (CSUR)
, Volume 37 (1)
Association for Computing Machinery – Mar 1, 2005
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