Paraphrase Acquisition for Information Extraction Yusuke Shinyama author Satoshi Sekine author 2003-07 text Proceedings of the Second International Workshop on Paraphrasing Association for Computational Linguistics Sapporo, Japan conference publication shinyama-sekine-2003-paraphrase 10.3115/1118984.1118993 https://aclanthology.org/W03-1609/ 2003-07 65 71