The TUNA Challenge 2008: Overview and Evaluation Results Albert Gatt author Anja Belz author Eric Kow author 2008-06 text Proceedings of the Fifth International Natural Language Generation Conference Michael White editor Crystal Nakatsu editor David McDonald editor Association for Computational Linguistics Salt Fork, Ohio, USA conference publication gatt-etal-2008-tuna https://aclanthology.org/W08-1131/ 2008-06 198 206