@inproceedings{liu-etal-2014-exploring,
    title = "Exploring Fine-grained Entity Type Constraints for Distantly Supervised Relation Extraction",
    author = "Liu, Yang  and
      Liu, Kang  and
      Xu, Liheng  and
      Zhao, Jun",
    editor = "Tsujii, Junichi  and
      Hajic, Jan",
    booktitle = "Proceedings of {COLING} 2014, the 25th International Conference on Computational Linguistics: Technical Papers",
    month = aug,
    year = "2014",
    address = "Dublin, Ireland",
    publisher = "Dublin City University and Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/C14-1199/",
    pages = "2107--2116"
}