Personal and Ubiquitous Computing
Social itinerary recommendation from user-generated digital trails
Personal and Ubiquitous Computing
Indoor and outdoor profiling of users in multimedia installations
Proceedings of the 20th ACM international conference on Multimedia
Review: Mobile guides: Taxonomy of architectures, context awareness, technologies and applications
Journal of Network and Computer Applications
A survey on smartphone-based systems for opportunistic user context recognition
ACM Computing Surveys (CSUR)
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We have built a mobile phone-based guide system to strengthen the user experience in a cultural heritage site by supporting spatial awareness, personalization, and social connectedness. Our mobile phone guide implemented on a Java-enabled mobile phone provides both audio and visual content that is tailored by tracking user movement with GPS, collecting various user inputs and demographics, and allowing for socially acceptable eavesdropping via wireless networking. We applied our system to a cemetery site and present the results of a user study. We also conducted a performance evaluation to verify the effectiveness of both content filtering in personalization and content synchronization in social connectedness. Spatially, our results validated that our system provided a satisfying physical exploration of historic space. With respect to personalization, the content presented to visitors was well tailored to their real-time feedback over the course of their visit. Socially, the effectiveness of our sharing interface motivated visitors to frequently synchronize content among themselves. Our system will hopefully broaden the appeal of mobile phones as electronic tour guides providing adequate support for spatial awareness, personalization, and shared group experiences.