A. Felfernig, and R. Burke. ICEC '08: Proceedings of the 10th international conference on Electronic
commerce, page 1--10. New York, NY, USA, ACM, (2008)
A. Felfernig, and A. Kiener. 17th Innovative Applications of Artificial Intelligence Conference
(IAAI 05), page 1475 - 1482. Pittsburgh, Pennsylvania, AAAI Press / The MIT Press, (9-13 07 2005)