PLuTO 2011-may 30–31 text Proceedings of the 15th Annual Conference of the European Association for Machine Translation Mikel L Forcada editor Heidi Depraetere editor Vincent Vandeghinste editor European Association for Machine Translation Leuven, Belgium conference publication nn-2011-pluto https://aclanthology.org/2011.eamt-1.57/ 2011-may 30–31