Knowledge-Based Weak Supervision for Information Extraction of Overlapping Relations Raphael Hoffmann author Congle Zhang author Xiao Ling author Luke Zettlemoyer author Daniel S Weld author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication hoffmann-etal-2011-knowledge https://aclanthology.org/P11-1055/ 2011-06 541 550