Paul Buitelaar, Philipp Cimiano, and Bernado Magnini (editors) (DFKI Saarbrücken, University of Karlsruhe, and ITC-irst), Amsterdam: IOS Press (Frontiers in artificial intelligence and applications, edited by J. Breuker et al., volume 123), 2005, v+171 pp; hardbound, ISBN 1-58603-523-1.