K. Bali, and R. Chandra. Australasian Conference on Artificial Intelligence, volume 9457 of Lecture Notes in Computer Science, page 34-48. Springer, (2015)
M. Bali, A. El-Lozy, and H. Thompson. WEBIST (Selected Papers), volume 1 of Lecture Notes in Business Information Processing, page 333-342. Springer, (2006)