@Inproceedings{gutmannkersting:ecml06,
  author = {Gutmann, B. and Kersting, K.},
  title  = {TildeCRF: Conditional Random Fields for Logical Sequences},

  year   = {2006},
  number = {},
  url    = {http://www.berndgutmann.de/files/gutmannKerstingECML06.pdf},

  const  = {\ text}
}
@Mastersthesis{jungermann,
  author = {Jungermann, Felix},
  title  = {Named Entity Recognition mit Conditional Random Fields},

  year   = {2006},
  number = {},
  url    = {http://www-ai.cs.uni-dortmund.de/jungermann_2006a.pdf?self=$Document_1159765560083&part=data},

  const  = {\ text}
}
@Incollection{sutton06introduction,
  author = {Sutton, Charles and McCallum, Andrew},
  title  = {An Introduction to Conditional Random Fields for Relational Learning},

  year   = {2006},
  number = {},
  url    = {http://www.cs.umass.edu/~casutton/publications/crf-tutorial.pdf},

  const  = {\ text}
}
@Mastersthesis{gutmann,
  author = {Gutmann, B.},
  title  = {Conditional Random Fields for Logical Sequences},

  year   = {2005},
  number = {},
  url    = {http://www.berndgutmann.de/files/gutmannThesis06.pdf},

  const  = {\ text}
}
@Inproceedings{1015428,
  author = {Dietterich, Thomas G. and Ashenfelter, Adam and Bulatov, Yaroslav},
  title  = {Training conditional random fields via gradient tree boosting},

  year   = {2004},
  number = {},
  url    = {http://portal.acm.org/citation.cfm?id=1015428&coll=Portal&dl=ACM&CFID=22531872&CFTOKEN=18437036},
  doi = {http://doi.acm.org/10.1145/1015330.1015428},
  const  = {\ text}
}
@Inproceedings{pm04accurate,
  author = {Peng, Fuchun and McCallum, Andrew},
  title  = {Accurate Information Extraction from Research Papers using Conditional Random Fields},

  year   = {2004},
  number = {},
  url    = {http://www.cs.umass.edu/~mccallum/papers/hlt2004.pdf},

  const  = {\ text}
}
@Misc{mccallum03early,
  author = {McCallum, A. and Li, W.},
  title  = {Early results for named entity recognition with conditional random fields},

  year   = {2003},
  number = {},
  url    = {citeseer.ist.psu.edu/article/mccallum03early.html},

  const  = {\ text}
}
@Inproceedings{mccallum03efficiently,
  author = {McCallum, Andrew},
  title  = {Efficiently inducing features of conditional random fields},

  year   = {2003},
  number = {},
  url    = {citeseer.ist.psu.edu/mccallum03efficiently.html},

  const  = {\ text}
}
@Inproceedings{pinto03table,
  author = {Pinto, D. and McCallum, A. and Lee, X. and Croft, W.},
  title  = {Table extraction using conditional random fields},

  year   = {2003},
  number = {},
  url    = {citeseer.ist.psu.edu/pinto03table.html},

  const  = {\ text}
}
@Misc{sha03shallow,
  author = {Sha, F. and Pereira, F.},
  title  = {Shallow parsing with conditional random fields},

  year   = {2003},
  number = {},
  url    = {citeseer.ist.psu.edu/sha03shallow.html},

  const  = {\ text}
}
@Inproceedings{lafferty01conditional,
  author = {Lafferty, John and McCallum, Andrew and Pereira, Fernando},
  title  = {Conditional Random Fields: Probabilistic Models for Segmenting and Labeling Sequence Data},

  year   = {2001},
  number = {},
  url    = {citeseer.ist.psu.edu/lafferty01conditional.html},

  const  = {\ text}
}
@Article{pietra97inducing,
  author = {Pietra, Stephen Della and Pietra, Vincent J. Della and Lafferty, John D.},
  title  = {Inducing Features of Random Fields},
  journal = {IEEE Transactions on Pattern Analysis and Machine Intelligence},
  year   = {1997},
  number = {4},
  url    = {citeseer.ist.psu.edu/dellapietra95inducing.html},

  const  = {\ text}
}