The 55th Annual Meeting of the Association for Computational Linguistics - proceedings of the conference: July 30-August 4, 2017, Vancouver, Canada : ACL 2017 / Vol. 1 Long papers - Barzilay, Regina; Kan, Min-Yen (The 55th Annual Meeting of the Association for Computational Linguistics - proceedings of the conference July 30-August 4, 2017, Vancouver, Canada : ACL 2017, 2017)