Abstract
The increasing popularity of smart mobile devices and their more and more powerful sensing ability make it possible to capture rich contextual information and personal context-aware preferences of mobile users by user context logs in devices. By leveraging such information, many context-aware services can be provided for mobile users such as personalized context-aware recommendation. However, to the best knowledge of ours, how to mine user context logs for personalized context-aware recommendation is still under-explored. A critical challenge of this problem is that individual user’s historical context logs may be too few to mine their context-aware preferences. To this end, in this paper we propose to mine common context-aware preferences from many users’ context logs through topic models and represent each user’s personal context-aware preferences as a distribution of the mined common context-aware preferences. The experiments on a real-world data set contains 443 mobile users’ historical context data and activity records clearly show the approach is effective and outperform baselines in terms of personalized context-aware recommendation.
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Yu, K., Zhang, B., Zhu, H., Cao, H., Tian, J. (2012). Towards Personalized Context-Aware Recommendation by Mining Context Logs through Topic Models. In: Tan, PN., Chawla, S., Ho, C.K., Bailey, J. (eds) Advances in Knowledge Discovery and Data Mining. PAKDD 2012. Lecture Notes in Computer Science(), vol 7301. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30217-6_36
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DOI: https://doi.org/10.1007/978-3-642-30217-6_36
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