@InProceedings{sogaard-kuhn:2009:SSST, author = {S{\ogaard}, Anders and Kuhn, Jonas}, title = {Empirical Lower Bounds on Aligment Error Rates in Syntax-Based Machine Translation}, booktitle = {Proceedings of the Third Workshop on Syntax and Structure in Statistical Translation (SSST-3) at NAACL HLT 2009}, month = {June}, year = {2009}, address = {Boulder, Colorado}, publisher = {Association for Computational Linguistics}, pages = {19--27}, url = {http://www.aclweb.org/anthology/W09-2303} }