Privacy is a necessary concern in electronic commerce. It is difficult, if not impossible, to complete a transaction without revealing some personal data – a shipping address, b...
Mark S. Ackerman, Lorrie Faith Cranor, Joseph Reag...
The underlying belief and knowledge models assumed by various kinds of authentication protocols have been studied for well over 10 years now. On the other hand, the related questio...
We present PolyLens, a new collaborative filtering recommender system designed to recommend items for groups of users, rather than for individuals. A group recommender is more appr...
Mark O'Connor, Dan Cosley, Joseph A. Konstan, John...
The way we experience and evaluate interactive products develops over time. An exploratory study aimed at understanding how users form evaluative judgments during the first experi...
Evangelos Karapanos, Marc Hassenzahl, Jean-Bernard...
We present a study investigating two novel mobile services supporting querying for information in the urban environment using camera equipped smart phones as well as two different...