Improving photo recommendation with context awareness

  • Fabrício D. A. Lemos UFC
  • Rafael Augusto Ferreira do Carmo UFC
  • Windson Viana UFC
  • Rossana M. C. Andrade


One of the most important challenges in Information Systems is information overload. Recommender Systems try to cope with this problem by helping people in retrieving information (ex: videos, services, products, images, etc.) that may match their preferences and intentions. An issue of Recommender Systems is related to user's context. The use of the system in a different context than usual may cause an unsatisfactory result for the recommendation, since preferences and intentions can be influenced by user's context (location, trajectory, time of day, activity, etc.). This paper presents the MMedia2U, a mobile photo recommender system that exploits the user's context and the context when photo was created as a means to improve the recommendation. Three context dimensions area exploited: spatial, social and temporal. We describe the similarity measures used for each dimension and the results of the system evaluation with 13 users following a Gold Standard approach.
Palavras-chave: Sistemas de Recomendação, Sensibilidade ao contexto, Computação Ubíqua
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LEMOS, Fabrício D. A.; CARMO, Rafael Augusto Ferreira do; VIANA, Windson; ANDRADE, Rossana M. C.. Improving photo recommendation with context awareness. In: SIMPÓSIO BRASILEIRO DE SISTEMAS MULTIMÍDIA E WEB (WEBMEDIA), 18. , 2012, São Paulo. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2012 . p. 321-330.

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