Abstract
Group recommender systems introduce a whole set of new challenges
for recommender systems research. The notion of generating a set
of recommendations that will satisfy a group of users with potentially
competing interests is challenging in itself. In addition to this
we must consider how to record and combine the preferences of many
different users as they engage in simultaneous recommendation dialogs.
In this paper we introduce a group recommender system that is designed
to provide assistance to a group of friends trying the plan a skiing
vacation. The system uses the DiamondTouch interactive tabletop to
allow up to 4 users to simultaneously engage in parallel recommendation
sessions and we describe how personal and shared profiles and interaction
spaces can be managed to generate sets of recommendations for the
individual as well as the group.
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