Factoring Synchronous Grammars by Sorting Daniel Gildea author Giorgio Satta author Hao Zhang author 2006-07 text Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions Association for Computational Linguistics Sydney, Australia conference publication gildea-etal-2006-factoring https://aclanthology.org/P06-2036/ 2006-07 279 286