@Proceedings{dau05contributions,

  title  = {Contributions to ICCS 2005},

  year   = {2005},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/conf/iccs05},

  const  = {\ text}
}
@Proceedings{conf/iccs/2005,

  title  = {Conceptual Structures: Common Semantics for Sharing Knowledge, 13th International Conference on Conceptual Structures, ICCS 2005, Kassel, Germany, July 17-22, 2005, Proceedings},

  year   = {2005},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/conf/iccs05},

  const  = {\ text}
}
@Proceedings{delugach01conceptual,

  title  = {Conceptual Structures -- Broadening the Base. Proc. 9th International Conference on Conceptual Structures},

  year   = {2001},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{eklund00contextual,
  author = {Eklund, P. and Groh, B. and Stumme, G. and Wille, R.},
  title  = {Contextual-Logic Extension of TOSCANA.},

  year   = {2000},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/2000/ICCS_toscanaextension.pdf},

  const  = {\ text}
}
@Proceedings{stumme00working,

  title  = {Working with Conceptual Structures -- Contributions to ICCS 2000. Suppl. Proc. 8th International
                  Conference on Conceptual Structures (ICCS 2000)},

  year   = {2000},
  number = {},
  url    = {},

  const  = {\ text}
}
@Inproceedings{mineau99conceptual,
  author = {Mineau, Guy and Stumme, Gerd and Wille, Rudolf},
  title  = {Conceptual Structures  Represented by Conceptual Graphs and Formal Concept Analysis},

  year   = {1999},
  number = {},
  url    = {http://www.kde.cs.uni-kassel.de/stumme/papers/1999/ICCS99.pdf},

  const  = {\ text}
}