Rule-based Breton to French machine translation Francis Tyers author 2010-may 27–28 text Proceedings of the 14th Annual Conference of the European Association for Machine Translation François Yvon editor Viggo Hansen editor European Association for Machine Translation Saint Raphaël, France conference publication tyers-2010-rule https://aclanthology.org/2010.eamt-1.13/ 2010-may 27–28