@InProceedings{popovic:2012:WMT1, author = {Popovic, Maja}, title = {Class error rates for evaluation of machine translation output}, booktitle = {Proceedings of the Seventh Workshop on Statistical Machine Translation}, month = {June}, year = {2012}, address = {Montr{\'e}al, Canada}, publisher = {Association for Computational Linguistics}, pages = {71--75}, url = {http://www.aclweb.org/anthology/W12-3106} }