@Techreport{motik2004mfar, author = "Boris Motik and Pascal Hitzler and Jeff Pan and Heiner Stuckenschmidt and Holger Wache and Perry Groot and Ian Horrocks and Daniele Turi", institution = "University of Karlsruhe", number = "2.1.2", title = "Methods for Approximate Reasoning", year = "2004", }