@inproceedings{jha-etal-2026-diplomat, title = "{DIPLOMAT}: Dialogue-Span-Aware Direct Preference Optimization for Polite Persuasive Workplace Negotiation Dialogues", author = "Jha, Bibhuti and Chigrupaatii, Rishikant and Priya, Priyanshu and Ekbal, Asif", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.2627/", pages = "59709--59749", ISBN = "979-8-89176-459-0" }