1. Liu, H., Motoda, H.: Feature Selection for Knowledge Discovery and Data Mining. Kluwer Academic Publishers, Norwell (1998).
2. Deng, H., Runger, G., Tuv, E.: Bias of Importance Measures for Multi-valued Attributes and Solutions. In: Honkela, T. (ed.) ICANN 2011, Part II. LNCS, vol. 6792, pp. 293–300. Springer, Heidelberg (2011).
3. Dzeroski, S.: Multi-relational data mining: an introduction. SIGKDD Explorations Newsletter 5(1), 1–16 (2003).
4. Garriga, G.C., Khardon, R., De Raedt, L.: On mining closed sets in multi-relational data. In: Proceedings of the 20th International Joint Conference on Artificial Intelligence, pp. 804–809. Morgan Kaufmann Publishers Inc., San Francisco (2007).
5. Goethals, B., Page, W., Mampaey, M.: Mining interesting sets and rules in relational databases. In: Proceedings of the ACM Symposium on Applied Computing, pp. 997–1001. ACM, New York (2010).