@InProceedings{luo-EtAl:2015:EMNLP1,
  author    = {Luo, Tianyi  and  Wang, Dong  and  Liu, Rong  and  Pan, Yiqiao},
  title     = {Stochastic Top-k ListNet},
  booktitle = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {676--684},
  url       = {http://aclweb.org/anthology/D15-1079}
}