@inproceedings{carreras-etal-2004-hierarchical,
    title = "Hierarchical Recognition of Propositional Arguments with Perceptrons",
    author = "Carreras, Xavier  and
      M{\`a}rquez, Llu{\'i}s  and
      Chrupa{\l}a, Grzegorz",
    booktitle = "Proceedings of the Eighth Conference on Computational Natural Language Learning ({C}o{NLL}-2004) at {HLT}-{NAACL} 2004",
    month = may # " 6 - " # may # " 7",
    year = "2004",
    address = "Boston, Massachusetts, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W04-2415/",
    pages = "106--109"
}