A A I I 2 2 0 0 0 0 2 2 W W o o r r k k s s h h o o p p P P r r o o c c e e e e d d i i n n g g s s D D a a t t a a M M i i n n i i n n g g Edited by Simeon J. Simoff, Graham J. Williams and Markus Hegland The 15th Australian Joint Conference on Artificial Intelligence 2002 Rydges Canberra, Australia 2 - 6 December 2002