@inproceedings{ekanayake-kavuluru-2026-reasoning, title = "Reasoning, Contrastive, and In-Context Strategies for Opioid Use Stage Detection on Social Media", author = "Ekanayake, Vinu and Kavuluru, Ramakanth", editor = "Gupta, Deepak and Thompson, Paul and Ananiadou, Sophia and Demner-Fushman, Dina", booktitle = "Proceedings of the Third Workshop on Patient-Oriented Language Processing ({CL}4{H}ealth) @ {LREC} 2026", month = may, year = "2026", address = "Palma, Mallorca (Spain)", publisher = "ELRA Language Resources Association (ELRA)", url = "https://aclanthology.org/2026.cl4health-1.19/", doi = "10.63317/4eyh8vc3atun", pages = "207--222" }