@inproceedings{miranda-junior-etal-2026-say,
    title = "Say ``No'' to Missing Polarity: A Negation Enrichment of Porttinari {UD} Treebank",
    author = "Miranda Junior, Isaac Souza de  and
      Vale, Oto Ara{\'u}jo  and
      de Marneffe, Marie-Catherine",
    editor = {{\c{C}}{\"o}ltekin, {\c{C}}a{\u{g}}r{\i}  and
      Dobrovoljc, Kaja},
    booktitle = "Proceedings of the Ninth Workshop on {U}niversal {D}ependencies ({UDW} 2026)",
    month = may,
    year = "2026",
    address = "Palma de Mallorca, Spain",
    publisher = "ELRA Language Resources Association (ELRA)",
    url = "https://aclanthology.org/2026.udw-1.13/",
    doi = "10.63317/3u4nf3srx2d2",
    pages = "153--162"
}