Clustering for obtaining syntactic classes of words from automatically extracted LTAG grammars Tadayoshi Hara author Yusuke Miyao author Jun’ichi Tsujii author 2002-05 text Proceedings of the Sixth International Workshop on Tree Adjoining Grammar and Related Frameworks (TAG+6) Robert Frank editor Association for Computational Linguistics Universitá di Venezia conference publication hara-etal-2002-clustering https://aclanthology.org/W02-2232/ 2002-05 227 233