@InProceedings{ZhangGildeaChiang-coling08, author = {Hao Zhang and Daniel Gildea and David Chiang}, title = {Extracting Synchronous Grammar Rules From Word-Level Alignments in Linear Time}, booktitle = {Proceedings of the 22nd International Conference on Computational Linguistics (COLING-08)}, year = {2008}, pages = {1081--1088}, address = {Manchester, UK}, URL = {http://www.cs.rochester.edu/~gildea/pubs/zhang-gildea-chiang-coling08.pdf} }