Extracting Structural Paraphrases from Aligned Monolingual Corpora Ali Ibrahim author Boris Katz author Jimmy Lin author 2003-07 text Proceedings of the Second International Workshop on Paraphrasing Association for Computational Linguistics Sapporo, Japan conference publication ibrahim-etal-2003-extracting 10.3115/1118984.1118992 https://aclanthology.org/W03-1608/ 2003-07 57 64