@inproceedings{guo2016cosolorec,
  title={CoSoLoRec: Joint Factor Model with Content, Social, Location for Heterogeneous Point-of-Interest Recommendation},
  author={Guo, Hao and Li, Xin and He, Ming and Zhao, Xiangyu and Liu, Guiquan and Xu, Guandong},
  booktitle={International Conference on Knowledge Science, Engineering and Management},
  pages={613--627},
  year={2016},
  organization={Springer}
}