WebMate: a personal agent for browsing and searching
AGENTS '98 Proceedings of the second international conference on Autonomous agents
Recommendation as classification: using social and content-based information in recommendation
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
A personalized television listings service
Communications of the ACM
Learning user interest dynamics with a three-descriptor representation
Journal of the American Society for Information Science and Technology
Improving Image Retrieval with Semantic Classification Using Relevance Feedback
Proceedings of the IFIP TC2/WG2.6 Sixth Working Conference on Visual Database Systems: Visual and Multimedia Information Management
Ontology Based Personalized Search
ICTAI '99 Proceedings of the 11th IEEE International Conference on Tools with Artificial Intelligence
Evolution of mobile location-based services
Communications of the ACM - Mobile computing opportunities and challenges
Location Based Services
The case for mesodata: An empirical investigation of an evolving database system
Information and Software Technology
Scale-dependency in IP-based positioning of network clusters
Journal of Location Based Services - 4th International Conference on LBS and TeleCartography Hong Kong
Modeling the ambient intelligence application system: concept, software, data, and network
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
Review: Mobile guides: Taxonomy of architectures, context awareness, technologies and applications
Journal of Network and Computer Applications
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The success of the Web and of portable devices has made popular the idea that any information could be made available to anybody, anytime, and anywhere. Other paradigms are taking off within the ubiquitous computing solutions. This invited paper identifies some of these paradigms, focusing on the more innovative ones in terms of information services. In particular, broadcast-based and location-based services are introduced. Further, it discusses user profiles and contexts, two essential components for modern services.