@inproceedings{carreras-marquez-chrupala:2004:CONLL,
  author    = {Carreras, Xavier  and  M\`{a}rquez, Llu\'{i}s  and  Chrupa{\l}a, Grzegorz},
  title     = {Hierarchical Recognition of Propositional Arguments with Perceptrons},
  booktitle = {HLT-NAACL 2004 Workshop: Eighth Conference on Computational Natural Language Learning (CoNLL-2004) },
  editor = {Hwee Tou Ng and Ellen Riloff},
  year      = 2004,
  month     = {May 6 - May 7},
  address   = {Boston, Massachusetts, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {106--109}
}