@InProceedings{sogaard:2009:SSST, author = {S{\ogaard}, Anders}, title = {On the Complexity of Alignment Problems in Two Synchronous Grammar Formalisms}, 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 = {60--68}, url = {http://www.aclweb.org/anthology/W09-2308} }