Coherence in Spoken Discourse Heike Tappe author Frank Schilder author 1998-08 text 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 2 Association for Computational Linguistics Montreal, Quebec, Canada conference publication tappe-schilder-1998-coherence-spoken 10.3115/980691.980780 https://aclanthology.org/P98-2211/ 1998-08 1294 1298