Ning Chen, Nuno C. Marques. An Extension of Self-organizing Maps to Categorical Data. In Carlos Bento, Amílcar Cardoso, Gaël Dias, editors, Progress in Artificial Intelligence, 12th Portuguese Conference on Artificial Intelligence, EPIA 2005, Covilhã, Portugal, December 5-8, 2005, Proceedings. Volume 3808 of Lecture Notes in Computer Science, pages 304-313, Springer, 2005. [doi]
Abstract is missing.