In this paper we analyze the problem of “situating explanations” in user assistance systems. We introduce semantic transparency as a user interface property that enables givin...
One of the major issues for user assistance systems consists of “providing help at an appropriate level”. In this paper we analyze the problem of modeling task experience — ...
This work seeks to strengthen interaction within a research community through a centrally-located physical device that presents online presence information in a semi-public space....
Networked appliances can simplify our lives, but interacting with them can be difficult in itself. KitchenSense is an early prototype of a networked kitchen full of sensors that u...
The Wizard of Oz (WOz) technique is an experimental evaluation mechanism. It allows the observation of a user operating an apparently fully functioning system whose missing service...