Erica Melis; Jörg Siekmann
DFKI GmbH, DFKI Final Reports (FR), Vol. 01-08, 2001.
Michael Schillo; Klaus Fischer; Christian Kray
DFKI, DFKI Research Reports (RR), Vol. 01-03, 2001.
Christoph Georg Jung; Klaus Fischer
DFKI, DFKI Research Reports (RR), Vol. 01-01, 2001.
Heinz-Jürgen Müller; Andreas Abecker; Knut Hinkelmann; Heiko Maus
DFKI, DFKI Documents (D), Vol. 01-02, 2001.
Klaus-Dieter Althoff; Ralph Bergmann; Karl Branting
In: AI Magazine, Vol. 22, No. 1, Pages 116-118, American Association for Artificial Intelligence, 2001.