Harvesting Parallel News Streams to Generate Paraphrases of Event Relations Congle Zhang author Daniel S Weld author 2013-10 text Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing David Yarowsky editor Timothy Baldwin editor Anna Korhonen editor Karen Livescu editor Steven Bethard editor Association for Computational Linguistics Seattle, Washington, USA conference publication zhang-weld-2013-harvesting https://aclanthology.org/D13-1183/ 2013-10 1776 1786