Team UDEL KBGen 2013 Challenge Keith Butler author Priscilla Moraes author Ian Tabolt author Kathleen F McCoy 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 butler-etal-2013-team https://aclanthology.org/W13-2132/ 2013-08 206 207