@inproceedings{efficientrelationallearningwithhidden,
  title = {Efficient Relational Learning with Hidden Variable Detection},
  author = {Ni Lao and Jun Zhu and Liu Liu and Yandong Liu and William W. Cohen},
  year = {2010},
  booktitle = {NeurIPS 2010 12},
  url = {http://papers.nips.cc/paper/4175-efficient-relational-learning-with-hidden-variable-detection},
}