Towards Accurate Distant Supervision for Relational Facts Extraction Xingxing Zhang author Jianwen Zhang author Junyu Zeng author Jun Yan author Zheng Chen author Zhifang Sui author 2013-08 text Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Hinrich Schuetze editor Pascale Fung editor Massimo Poesio editor Association for Computational Linguistics Sofia, Bulgaria conference publication zhang-etal-2013-towards https://aclanthology.org/P13-2141/ 2013-08 810 815