@article{machinecomprehensionbasedonlearningto,
  title = {Machine Comprehension Based on Learning to Rank},
  author = {Tian Tian and Yuezhang Li},
  year = {2016},
  eprint = {1605.03284},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1605.03284v2},
}