S. Chu, J. Roddick, и A. Australia. In Data Mining II-Proceedings of Second International Conference on Data Mining Methods and Databases, стр. 515--523. (2000)
M. Atzmueller, S. Beer, и F. Puppe. Proc. 22nd International Florida Artificial Intelligence Research Society Conference (FLAIRS), стр. 402--407. AAAI Press, (2009)