@inproceedingsHüllermeier_Beringer_2004, title=Learning decision rules from positive and negative preferences, booktitle=In Proceedings IPMU-2004 10th International Conference on Information Processing and Management  of Uncertainty in Knowledge-Based Systems, Perugia, Italy, author=Hüllermeier, Eyke and Beringer, J., year=2004 

@bookKrimphove_2004, place=Freiburg, title=Die UWG-Reform Das neue Gesetz gegen den unlauteren Wettbewerb , publisher=Haufe-Verlag, author=Krimphove, Dieter, year=2004 

@bookKrimphove_2004, place=Freiburg, title=Werberecht Prüfungswissen, Multiple-Choice-Tests, Gesetze, Urteile, publisher=Haufe-Verlag, author=Krimphove, Dieter, year=2004 

@articleHüllermeier_Renners_Grauel_2004, title=An evolutionary approach to constraints-regularized learning, volume=11, number=2–3, journal=Mathware and Soft Computing, author=Hüllermeier, Eyke and Renners, I. and Grauel, A., year=2004, pages=109–124 

@articleWeskamp_Kuhn_Hüllermeier_Klebe_2004, title=Efficient similarity search in protein structure databases: Improving clique-detection through clique-hashing, volume=20, number=10, journal=Bioinformatics, author=Weskamp, N. and Kuhn, D. and Hüllermeier, Eyke and Klebe, G., year=2004, pages=1522–1526 

@articleHüllermeier_2004, title=Flexible constraints for regularization in learning from data, volume=19, number=6, journal=International Journal of Intelligent Systems, author=Hüllermeier, Eyke, year=2004, pages=525–541 

@articleKlein_Krokowski_Fischer_Wand_Wanka_Meyer auf der Heide_2004, title=The Randomized Sample Tree: A Data Structure for Interactive Walk-Throughs in Externally Stored Virtual Environments, DOI=10.1162/1054746043280619, journal=Presence: Teleoperators and Virtual Environments, author=Klein, Jan and Krokowski, Jens and Fischer, Matthias and Wand, Michael and Wanka, Rolf and Meyer auf der Heide, Friedhelm, year=2004, pages=617–637 

@bookSchmeisser_Krimphove_Brinkkötter_2004, place=Frankfurt, title=Internationales Entgeltmanagement, publisher=Rainer Hampp Verlag, year=2004 

@bookSchmeisser_Bretz_Keßler_Krimphove_2004, place=Stuttgart , title=Handbuch: Krisen- und Insolvenzmanagement, publisher=Schäffer-Poeschel Verlag, year=2004 

@inproceedingsLiu Jing_Ruehrup_Schindelhauer_Volbert_Dierkes_Bellgardt_Ibers_Hilleringmann_2004, place=Tilburg, Netherlands, title=Sensor Networks with More Features Using Less Hardware, booktitle=GOR/NGB Conference Tilburg 2004, author=Liu Jing, Michelle and Ruehrup, Stefan and Schindelhauer, Christian and Volbert, Klaus and Dierkes, Martin and Bellgardt, Andreas and Ibers, Rüdiger and Hilleringmann, Ulrich, year=2004