LCARS: A Spatial Item Recommender System

@article{Yin2014LCARSAS,
  title={LCARS: A Spatial Item Recommender System},
  author={Hongzhi Yin and Bin Cui and Yizhou Sun and Zhiting Hu and Ling Chen},
  journal={ACM Trans. Inf. Syst.},
  year={2014},
  volume={32},
  pages={11:1-11:37}
}
Newly emerging location-based and event-based social network services provide us with a new platform to understand users' preferences based on their activity history. A user can only visit a limited number of venues/events and most of them are within a limited distance range, so the user-item matrix is very sparse, which creates a big challenge to the traditional collaborative filtering-based recommender systems. The problem becomes even more challenging when people travel to a new city where… CONTINUE READING

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