I. Shaharanee, F. Hadzic, and T. Dillon. Australasian Conference on Artificial Intelligence, volume 5866 of Lecture Notes in Computer Science, page 422-431. Springer, (2009)
D. Wang, and T. Dillon. Australian Joint Conference on Artificial Intelligence, volume 2557 of Lecture Notes in Computer Science, page 693-703. Springer, (2002)