From Paraphrase Database to Compositional Paraphrase Model and Back John Wieting author Mohit Bansal author Kevin Gimpel author Karen Livescu author 2015 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal wieting-etal-2015-paraphrase 10.1162/tacl_a_00143 https://aclanthology.org/Q15-1025/ 2015 3 345 358