@inproceedings{prediger99theory,
  author = {Prediger, S. and Stumme, G.},
  booktitle = {Proc. 6th Intl. Workshop Knowledge Representation Meets Databases (KRDB'99)},
  comment = {alpha},
  editor = {et al, E. Franconi},
  interhash = {f8954580726dabd8427ec6e5f5b03a37},
  intrahash = {012c6e353faa417521e9c88fc5c89f1e},
  note = {Also in: P. Lambrix et al (Eds.): Proc. Intl. Workshop on Description Logics (DL'99). CEUR Workshop Proc. 22, 1999
                  \url{http://ceur-ws.org/Vol-21}},
  privnote = {alpha},
  title = {Theory-Driven Logical Scaling},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/1999/KRDB99.pdf},
  volume = {CEUR Workshop Proc. 21},
  year = 1999
}

@inproceedings{stumme99numerical,
  address = {Heidelberg},
  author = {Stumme, G. and Wolff, K. E.},
  booktitle = {Advances in Database Technologies. Proc. Intl. Workshop on Data Warehousing and},
  comment = {alpha},
  editor = {Kambayashi, Y. and Lee, Dik Kun and Lim, Ee-Peng and Mohania, M. K. and Masunaga, Y.},
  interhash = {e3ef675c84f6ba5a8cee28cbb98a0b0c},
  intrahash = {2bffb5196bd99d7953c05d322fcfdd66},
  pages = {117-128},
  privnote = {alpha},
  publisher = {Springer},
  series = {LNCS},
  title = {Numerical Aspects in the Data Model of Conceptual Information Systems},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/1998/ER98.pdf},
  volume = 1552,
  year = 1999
}

@inproceedings{stumme99hierarchies,
  author = {Stumme, G.},
  booktitle = {Proc.Workshop on Knowledge Acquisition, Modeling and Management (KAW'99)},
  comment = {alpha},
  editor = {Gaines, T. B. and Kremer, R. and Musen, M.},
  interhash = {dd69bfd41f34532d9a67cbc929cdd4cc},
  intrahash = {c184b7c1530317891bb03f61b1a0752a},
  month = {Oct 16-22},
  pages = {78-95},
  privnote = {alpha},
  publisher = {Banff},
  title = {Hierarchies of Conceptual Scales},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/1999/KAW99.pdf},
  volume = 2,
  year = 1999
}