Location context aware collective filtering algorithm

Authors:
Wenjun Yue;Meina Song;Jing Han;Haihong E
Affiliations:
School of Computer, Beijing University of Posts and Telecommunications, Beijing, China;School of Computer, Beijing University of Posts and Telecommunications, Beijing, China;School of Computer, Beijing University of Posts and Telecommunications, Beijing, China;School of Computer, Beijing University of Posts and Telecommunications, Beijing, China
Venue:
ICPCA/SWS'12 Proceedings of the 2012 international conference on Pervasive Computing and the Networked World
Year:
2012

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Abstract

To improve the quality of the recommendation of the recommendation system, a distance-interest affective model is proposed to combine user location context on the preferences of user interests. Based on the model and user-based collaborative filtering algorithm, the location context aware collective filtering algorithm is designed. Firstly, measure the location-similarity between users through the user's location context information. Second, calculate the origin user-similarity from the user-item rating matrix. Then, gain the location-similarity as a weight of final user similarity, calculate the final similarity. Finally, recommendation is supplied by top-N recommendation. The simulation results were compared with the traditional algorithm to prove the precision and recall rate of the proposed algorithm is superior to traditional algorithms.