A Word-Class Approach to Labeling PSCFG Rules for Machine Translation Andreas Zollmann author Stephan Vogel author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication zollmann-vogel-2011-word https://aclanthology.org/P11-1001/ 2011-06 1 11