Adaptation step-by-step : challenges for real-time spatial personalization

In this paper we outline challenges for user modeling and personalization with spatial information. To illustrate those challenges we use a use case with a real-time routing system that implements a mobile museum guide for providing personalized tours tailored to the user position inside the museum and her interests. In this scenario we combine on the one hand (1) interactive discovery of user's interests applied for semantic recommendations of artworks and art-related topics, and on the other hand (2) dynamic step-by-step adaptation of a user's route through a museum based on her current position and changing interests. For this, the existing CHIP mobile museum guide was extended with a routing mechanism based on the SWI-Prolog Space package