Optimal Multi-Paragraph Text Segmentation by Dynamic Programming Oskari Heinonen 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 heinonen-1998-optimal-multi 10.3115/980691.980814 https://aclanthology.org/P98-2244/ 1998-08 1484 1486