@inproceedings{stumme2004iceberg,
  address = {Heidelberg},
  author = {Stumme, Gerd},
  booktitle = {Conceptual Structures at Work: 12th International Conference on Conceptual Structures (ICCS 2004)},
  comment = {alpha},
  editor = {Wolff, Karl Erich and Pfeiffer, Heather D. and Delugach, Harry S.},
  interhash = {5e81311b4e69d49a2f0aa7cd3f52b21d},
  intrahash = {70b05439d41b24c2476e9eba1f74ec87},
  pages = {109-125},
  publisher = {Springer},
  series = {LNCS},
  title = {Iceberg Query Lattices for Datalog},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2004/stumme2004iceberg.pdf},
  volume = 3127,
  year = 2004
}

@inproceedings{jaeschke06trias,
  address = {Hong Kong},
  author = {Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Ganter, Bernhard and Stumme, Gerd},
  booktitle = {Proceedings of the 6th IEEE International Conference on Data Mining     (ICDM 06)},
  doi = {http://doi.ieeecomputersociety.org/10.1109/ICDM.2006.162},
  interhash = {b4964c3bdd2991a80873d7080ef6a73e},
  intrahash = {e387c294129e11f4221514d5fa807e26},
  isbn = {0-7695-2701-9},
  issn = {1550-4786},
  month = {December},
  pages = {907-911},
  publisher = {IEEE Computer Society},
  title = {TRIAS - An Algorithm for Mining Iceberg Tri-Lattices},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/jaeschke2006trias.pdf},
  vgwort = {19},
  year = 2006
}