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,...
While usability methods such as user studies and inspections can reveal a wide range of problems, they do so for only a subset of an application’s features and states. We presen...
Although science is becoming increasingly collaborative, there are remarkably few success stories of online collaborations between professional scientists that actually result in ...
We present Surfpad, a pointing facilitation technique that does not decrease target distance or increase target width in either control or display space. This new technique operat...
Virtual environments (VEs) very often contain buildings that have to be navigated by users. In the literature, several navigation aids based on maps have been proposed for VEs, bu...