Hidden Markov model-based supertagging in a user-initiative dialogue system Jens Bäcker author Karin Harbusch 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 backer-harbusch-2002-hidden https://aclanthology.org/W02-2237/ 2002-05 269 278