A Challenge Proposal for Narrative Generation Using CNLs Eugenio Concepción author Gonzalo Méndez author Pablo Gervás author Carlos León author 2016-sep 5-8 text Proceedings of the 9th International Natural Language Generation conference Amy Isard editor Verena Rieser editor Dimitra Gkatzia editor Association for Computational Linguistics Edinburgh, UK conference publication concepcion-etal-2016-challenge 10.18653/v1/W16-6628 https://aclanthology.org/W16-6628/ 2016-sep 5-8 171 173