CEU-UPV English-Spanish system for WMT11 Francisco Zamora-Martínez author Maria Jose Castro-Bleda author 2011-07 text Proceedings of the Sixth Workshop on Statistical Machine Translation Chris Callison-Burch editor Philipp Koehn editor Christof Monz editor Omar F Zaidan editor Association for Computational Linguistics Edinburgh, Scotland conference publication zamora-martinez-castro-bleda-2011-ceu https://aclanthology.org/W11-2162/ 2011-07 490 495