@inproceedings{chaumartin-2007-upar7,
    title = "{UPAR}7: A knowledge-based system for headline sentiment tagging",
    author = "Chaumartin, Fran{\c{c}}ois-R{\'e}gis",
    editor = "Agirre, Eneko  and
      M{\`a}rquez, Llu{\'i}s  and
      Wicentowski, Richard",
    booktitle = "Proceedings of the Fourth International Workshop on Semantic Evaluations ({S}em{E}val-2007)",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/S07-1094/",
    pages = "422--425"
}