2nd International ICST Workshop on Trusted Collaboration

Research Article

Towards Mixed-Initiative Access Control

  • @INPROCEEDINGS{10.1109/COLCOM.2007.4553811,
        author={Prasun Dewan and Jonathan Grudin and Eric Horvitz},
        title={Towards Mixed-Initiative Access Control},
        proceedings={2nd International ICST Workshop on Trusted Collaboration},
        keywords={Access authorization  context-specific presence  information privacy models  interactive access control  mixed-initiative dialogues  mixed-initiative interaction  optimistic access control  presence rights  right amplication  role-based access control},
  • Prasun Dewan
    Jonathan Grudin
    Eric Horvitz
    Year: 2008
    Towards Mixed-Initiative Access Control
    DOI: 10.1109/COLCOM.2007.4553811
Prasun Dewan1,*, Jonathan Grudin2,*, Eric Horvitz2,*
  • 1: Department of Computer Science, University of North Carolina, Chapel Hill, NC 27599, USA
  • 2: Microsoft Research, One Microsoft Way, Redmond, WA 98052
*Contact email: dewan@cs.unc.edu, jgrudin@microsoft.com, horvitz@microsoft.com


The difficult task of providing access to shared objects is, typically, carried out individually by access authorizers. We motivate and explain here the idea of using distributed collaborative environments to perform this activity. In these environments, the initiative in distributing access rights to shared objects can be taken by information guardians, information consumers, and tools that act as agents of the guardians and consumers. Information consumers are responsible for sending access requests to information guardians; their agents (partially or completely) automate this task for them. Information guardians are responsible for authorizing accesses; their agents automate this task for them. The agents interact with collaborative and communication tools, which must be extended to support the new access-control paradigm.