Learning Nonstructural Distance Metric by Minimum Cluster Distortion Daichi Mochihashi author Genichiro Kikui author Kenji Kita author 2004-07 text Proceedings of the 2004 Conference on Empirical Methods in Natural Language Processing Dekang Lin editor Dekai Wu editor Association for Computational Linguistics Barcelona, Spain conference publication mochihashi-etal-2004-learning https://aclanthology.org/W04-3244/ 2004-07 341 348