A Compositional Semantics of Temporal Expressions in English Erhard W Hinrichs author 1987-07 text 25th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Stanford, California, USA conference publication hinrichs-1987-compositional 10.3115/981175.981177 https://aclanthology.org/P87-1002/ 1987-07 8 15