In access-control systems, policy rules conflict when they prescribe different decisions (ALLOW or DENY) for the same access. We present the results of a user study that demonstr...
Robert W. Reeder, Lujo Bauer, Lorrie Faith Cranor,...
Designers of mobile, social systems must carefully think about how to help their users manage spatial, semantic, and social modes of navigation. Here, we describe our deployment o...
Dan Cosley, Jonathan Baxter, Soyoung Lee, Brian Al...
The calculus outlined in this paper provides a formal architectural framework for describing and reasoning about the properties of multi-user and mobile distributed interactive sys...
W. Greg Phillips, T. C. Nicholas Graham, Christoph...
XRL (eXchangeable Routing Language) is an instancebased workflow language that uses XML for the representation of process definitions and Petri nets for its semantics. Since XRL i...
Wil M. P. van der Aalst, H. M. W. Verbeek, A. Kuma...
We present an empirical analysis of crossing-based dialog boxes. First, we study the spatial constraints required for efficient crossing-based interactions in the case of a simple...