Now Let’s Talk About Now; Identifying Cue Phrases Intonationally Julia Hirschberg author Diane Litman author 1987-07 text 25th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Stanford, California, USA conference publication hirschberg-litman-1987-now 10.3115/981175.981198 https://aclanthology.org/P87-1023/ 1987-07 163 171