The Third International Conference on Digital Society ICDS 2009 (February 2) Cancun, Mexico PaTac: Urban, ubiquitous, personalized services for citizens and tourists Luigi Ceccaroni, Victor Codina, Manel Palau and Marc Pous Mª Eulalia Pérez
Autonomous and intelligent agents collaborating among them to collect, adapt and provide the content are necessary to process the dynamic and changing information related with the real world.
Moreover, the use of ontologies and the exploitation of the semantic Web is necessary to interconnect data from different sources as well as to process it with user and social modelers enriching the users’ profiles and the descriptions of the events and places of interest.
Another issue to take into consideration for future work is context-awareness to provide the most relevant recommendations for each circumstance.
Finally, emotional 3D avatars can contribute to achieve a more usable and natural interaction with users.