, , , & , Answering Why and Why Not Questions in Ubiquitous Computing, in Ubicomp 2009 Supplemental Proceedings,210-213 (ACM ).  PDF


Users often find it hard to understand and control the behavior of a Ubicomp system. This gives rise to usability problems and can lead to loss of user trust, which may hamper the acceptance of these systems. We are extending an existing Ubicomp framework to allow users to pose why and why not questions about its behavior. Initial experiments suggest that these questions are easy to use and could help users in understanding how Ubicomp systems work.

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