@inproceedings{mintz09,
  author = {Mike Mintz and Steven Bills and Rion Snow and Dan Jurafsky},
  year = {2009},
  title = {Distant supervision for relation extraction without labeled data},
  booktitle = {Association for Computational Linguistics and International Joint Conference on Natural Language Processing (ACL-IJCNLP)},
  url = {pubs/mintz09.pdf}
}