@inproceedings{exploringfinegrainedentitytype,
  title = {Exploring Fine-grained Entity Type Constraints for Distantly Supervised Relation Extraction},
  author = {Yang Liu and Kang Liu and Liheng Xu and Jun Zhao},
  year = {2014},
  booktitle = {COLING 2014 8},
  url = {https://aclanthology.org/C14-1199},
}