@inproceedings{jonker-matos-2026-bit,
    title = "{BIT}.{UA} at {\#}{SMM}4{H}{--}{H}ea{RD} 2026: Towards Multi-Class Multilingual Clinical Entity Recognition with Multi-Head {CRF} Ensembles",
    author = "Jonker, Richard A. A.  and
      Matos, S{\'e}rgio",
    editor = "Lopez-Garcia, Guillermo  and
      Gonzalez-Hernandez, Graciela",
    booktitle = "Proceedings of the 11th Social Media Mining for Health Research and Applications ({SMM}4{H}-{H}ea{RD} 2026) Workshop and Shared Tasks",
    month = jul,
    year = "2026",
    address = "San Diego, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-acl-workshops/2026.smm4h-1.8/",
    pages = "41--48",
    ISBN = "979-8-89176-432-3"
}