@InProceedings{hana-vstpanek:2012:LAWVI,
  author    = {Hana, Jirka  and  \v{S}těp\'{a}nek, Jan},
  title     = {Prague Markup Language Framework},
  booktitle = {Proceedings of the Sixth Linguistic Annotation Workshop},
  month     = {July},
  year      = {2012},
  address   = {Jeju, Republic of Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {12--21},
  url       = {http://www.aclweb.org/anthology/W12-3603}
}