Combining clues for lexical level aligning using the Null hypothesis approach Olivier Kraif author Boxing Chen author 2004-aug 23–aug 27 text COLING 2004: Proceedings of the 20th International Conference on Computational Linguistics COLING Geneva, Switzerland conference publication kraif-chen-2004-combining https://aclanthology.org/C04-1183/ 2004-aug 23–aug 27 1261 1264