Content Selection Challenge - University of Aberdeen Entry Roman Kutlak author Chris Mellish author Kees van Deemter author 2013-08 text Proceedings of the 14th European Workshop on Natural Language Generation Albert Gatt editor Horacio Saggion editor Association for Computational Linguistics Sofia, Bulgaria conference publication kutlak-etal-2013-content https://aclanthology.org/W13-2133/ 2013-08 208 209