Access control in collaborative systems

William Tolone, Gail Joon Ahn, Tanusree Pai, Seng Phil Hong

Research output: Contribution to journalReview articlepeer-review

252 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)29-41
Number of pages13
JournalACM Computing Surveys
Issue number1
StatePublished - Mar 2005
Externally publishedYes


  • Access control
  • Collaboration
  • Security models

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science


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