@inproceedings{Carreras-etAl2:2003:CONLL,
  author = {Carreras, Xavier  and  M\'{a}rquez, Llu\'{i}s  and  Padr\'{o}, Llu\'{i}s},
  title  = {Learning a Perceptron-Based Named Entity Chunker via Online Recognition Feedback},
  booktitle = {Proceedings of the Seventh Conference on Natural Language Learning at HLT-NAACL 2003},
  editor = {Walter Daelemans and Miles Osborne},
  url    = {http://www.aclweb.org/anthology/W03-0422.pdf},
  year   = 2003,
  pages  = {156--159}