A.  Koufakou, Ortiz, E., Georgiopoulos, M., Anagnostopoulos, G. C., and Reynolds, M. K., ?A scalable and efficient otlier detection strategy for categorical data?, in Annual IEE International Conference on Tools with Artificial Intelligence, 2007 (ICTAI 2007),, Patras, Greece, 2007.

A.  Koufakou, Ortiz, E., Georgiopoulos, M., Anagnostopoulos, G. C., and Reynolds, K., ?A Scalable and Efficient Outlier Detection Strategy for Categorical Data?, International Conference on Tools with Artificial Intelligence (ICTAI), 2007.