UPM system for WMT 2012 Verónica López-Ludeña author Rubén San-Segundo author Juan M Montero author 2012-06 text Proceedings of the Seventh Workshop on Statistical Machine Translation Chris Callison-Burch editor Philipp Koehn editor Christof Monz editor Matt Post editor Radu Soricut editor Lucia Specia editor Association for Computational Linguistics Montréal, Canada conference publication lopez-ludena-etal-2012-upm https://aclanthology.org/W12-3142/ 2012-06 338 344