@inproceedings{born-etal-2026-profiling, title = "Profiling Hallucinations in Frontier {LLM}s for Entity Linking to Medical Ontologies", author = "Born, Logan and Kambhatla, Nishant and Kubasova, Uliyana and Siahbani, Maryam and Vacariu, Andrei and O{'}Connell, Timothy W. and Sarkar, Anoop", editor = "Ben Abacha, Asma and Bethard, Steven and Bitterman, Danielle and Naumann, Tristan and Roberts, Kirk", booktitle = "Proceedings of the 8th Workshop on Clinical Natural Language Processing (Clinical {NLP}) @ {LREC} 2026", month = may, year = "2026", address = "Palma, Mallorca (Spain)", publisher = "ELRA Language Resources Association (ELRA)", url = "https://aclanthology.org/2026.clinicalnlp-1.41/", doi = "10.63317/4zi4vcu7vz4v", pages = "394--413" }