Time Mapping with Hypergraphs Jan W Amtrup author Volker Weber author 1998-08 text 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 1 Association for Computational Linguistics Montreal, Quebec, Canada conference publication amtrup-weber-1998-time-mapping 10.3115/980845.980855 https://aclanthology.org/P98-1008/ 1998-08 55 61