Unsupervised Paraphrasing without Translation Aurko Roy author David Grangier author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication roy-grangier-2019-unsupervised 10.18653/v1/P19-1605 https://aclanthology.org/P19-1605/ 2019-07 6033 6039