The GREC Challenges 2010: Overview and Evaluation Results Anja Belz author Eric Kow author 2010-07 text Proceedings of the 6th International Natural Language Generation Conference John Kelleher editor Brian Mac Namee editor Ielka van der Sluis editor Association for Computational Linguistics conference publication belz-kow-2010-grec https://aclanthology.org/W10-4226/ 2010-07