Ensuring Privacy in Presence Awareness Systems: An Automated Verification Approach, Godefroid, P.; Herbsleb, J.D.; Jagadeesan, L.J.; Li, D. , Computer Supported Cooperative Work, Philadelphia, Pennsylvania, USA, p.59-68 Abstract
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Providing presence cues to telephone users, Milewski, A.E.; Smith, T.M. , Proceedings of the 2000 ACM conference on Computer supported cooperative work, Philadelphia, Pennsylvania, United States, p.89-96 Abstract
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