@article{machinelearningwithworldknowledgethe,
  title = {Machine Learning with World Knowledge: The Position and Survey},
  author = {Yangqiu Song and Dan Roth},
  year = {2017},
  eprint = {1705.02908},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1705.02908v1},
}