Distant supervision for relation extraction without labeled data Mike Mintz author Steven Bills author Rion Snow author Daniel Jurafsky author 2009-08 text Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication mintz-etal-2009-distant https://aclanthology.org/P09-1113/ 2009-08 1003 1011