@Inproceedings{Ahn04,
  author = {David Ahn and Valentin Jijkoun and Gilad Mishne and Karin Müller and Maarten de Rijke and Stefan Schlobach.},
  title  = {Using Wikipedia at the TREC QA Track},

  year   = {2004},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{Antoniadis04,
  author = {Georges Antoniadis and Sandra Echinard and Olivier Kraif and Thomas Lebarbé and Mathieu Loiseau and Claude Ponton},
  title  = {NLP-based scripting for CALL activities },

  year   = {2004},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{Csomai07,
  author = {Andras Csomai and Rada Mihalcea},
  title  = {Linking Educational Materials to Encyclopedic Knowledge},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{Feng06hlt,
  author = {Donghui Feng and Erin Shaw and Jihie Kim and Eduard Hovy},
  title  = {Learning to Detect Conversation Focus of Threaded Discussions},

  year   = {2006},
  number = {},
  url    = {},
  doi = {http://dx.doi.org/10.3115/1220835.1220862},
  const  = {\ text}
}
@Inproceedings{Ferret06,
  author = {Olivier Ferret and Michael Zock},
  title  = {Enhancing electronic dictionaries with an index based on associations},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{Flavier07,
  author = {Nicolas Flavier and Patrice Bellot},
  title  = {Vers un appariement automatique de questions extraites de courriers \'electroniques},

  year   = {2007},
  number = {},
  url    = {http://www.lia.univ-avignon.fr/fich_art/920-FlavierBellot_CAp2007.pdf},

  const  = {\ text}
}
@Inproceedings{Ravi07edm,
  author = {Sujith Ravi and Jihie Kim and Erin Shaw},
  title  = {Mining On-line Discussions: Assessing Technical Quality for Student Scaffolding and Classifying Messages for Participation Profiling},

  year   = {2007},
  number = {},
  url    = {http://aied.inf.ed.ac.uk/AIED2007/AIED-EDM_proceeding_full2.pdf},

  const  = {\ text}
}
@Inproceedings{somasundaranetal2007,
  author = {Swapna Somasundaran and Theresa Wilson and Janyce Wiebe and Veselin Stoyanov},
  title  = {QA with Attitude: Exploiting Opinion Type Analysis for Improving Question Answering in On-line Discussions and the News},

  year   = {2007},
  number = {},
  url    = {http://www.icwsm.org/papers/paper6.html},

  const  = {\ text}
}
@Inproceedings{Yang02,
  author = {Hui Yang and Tat-Seng Chua},
  title  = {The Integration of Lexical Knowledge and External Resources for Question Answering},

  year   = {2002},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{Zhao07ijcai,
  author = {Shiqi Zhao and Ming Zhou and Ting Liu},
  title  = {Learning Question Paraphrases for QA from Encarta Logs},

  year   = {2007},
  number = {},
  url    = {http://www.ijcai.org/papers07/Papers/IJCAI07-290.pdf},

  const  = {\ text}
}