DiMLex: A Lexicon of Discourse Markers for Text Generation and Understanding Manfred Stede author Carla Umbach 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 stede-umbach-1998-dimlex-lexicon 10.3115/980691.980771 https://aclanthology.org/P98-2202/ 1998-08 1238 1242