@inproceedings{ijcai2015p559,
  title     = {Ice-Breaking: Mitigating Cold-Start Recommendation Problem by Rating Comparison},
  author    = {Xu, Jingwei and Yao, Yuan and Tong, Hanghang and Tao, Xianping and Lu, Jian},
  booktitle = {Proceedings of the Twenty-Fourth International Joint Conference on
               Artificial Intelligence, {IJCAI-15}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Qiang Yang and Michael Wooldridge},
  pages     = {3981--3986},
  year      = {2015},
  month     = {7},
  note      = {Special Track on Machine Learning},
  url       = {https://ijcai.org/proceedings/2015/559},
}