Abstract
Temporal factor plays an important role in products and services recommended process. It is necessary to combine temporal factors with effective methods to improve recommendation performance. In this paper, we present a novel approach to improve personalized recommendation performance with changing user preferences based on temporal dataset. In the approach, we take consideration of different influence of long and short-term user preferences and construct a preference transfer model based on our enhanced Hidden Markov Model. Then we accomplish preference fusion by adopting our Long and Short Term Graph, a graph model modified from Session-based Temporal Graph, to recommend unknown items. Finally, the experimental results show that our approach achieves important improvements compared to some existing approaches in performance.
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Acknowledgement
The authors acknowledge the financial support of the Frontier and Application Foundation Research Program of CQ CSTC (No. cstc2014jcyjA40037), National High-tech R&D Program of China (No. 2015AA015308), the Chongqing Graduate Student Research Innovation Project (No. CYS16032), Fundamental Research Funds for the Central Universities (No. CDJZR188801), Degree and Graduate Education Research Program (No. 2015Y0414), and the Project of Chongqing Higher Education Reform (No. 153003). The author is grateful to the anonymous referee for a careful checking of the details and for helpful comments that improved this paper.
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Zhang, B., Feng, Y. (2016). Improving Temporal Recommendation Accuracy and Diversity via Long and Short-Term Preference Transfer and Fusion Models. In: Li, F., Shim, K., Zheng, K., Liu, G. (eds) Web Technologies and Applications. APWeb 2016. Lecture Notes in Computer Science(), vol 9932. Springer, Cham. https://doi.org/10.1007/978-3-319-45817-5_14
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DOI: https://doi.org/10.1007/978-3-319-45817-5_14
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