Uncle-Share: Annotation-Based Access Control for Cooperative and Social Systems

  • Authors:
  • Peyman Nasirifard;Vassilios Peristeras

  • Affiliations:
  • Digital Enterprise Research Institute, National University of Ireland, Galway, Galway, Ireland;Digital Enterprise Research Institute, National University of Ireland, Galway, Galway, Ireland

  • Venue:
  • OTM '08 Proceedings of the OTM 2008 Confederated International Conferences, CoopIS, DOA, GADA, IS, and ODBASE 2008. Part II on On the Move to Meaningful Internet Systems
  • Year:
  • 2008

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Abstract

Shared workspaces and Web 2.0 platforms provide lots of services for sharing various objects. Most current shared workspaces and Web 2.0 platforms provide role-based, coarse-grained access control policies which undermine the utility of them in some cases. In this paper, we present Annotation-Based Access Control, an approach towards access control which benefits from user annotations to annotate people using various fixed and desired open vocabulary (tags) and helps to build a more flexible access control mechanism based on relationships among different types of users. We also present a prototype, a gadget called Uncle-Share, which we have developed to enable this access control mechanism and evaluate it.