author- RelMiCS, volume 2561 of Lecture Notes in Computer Science, page 124-133. Springer, (2001)
- PAAMS Special Sessions and Workshops, volume 71 of Advances in Soft Computing, page 443-452. Springer, (2010)
- SPDECE, volume 318 of CEUR Workshop Proceedings, CEUR-WS.org, (2007)
- IWANN 2, volume 5518 of Lecture Notes in Computer Science, page 992-1000. Springer, (2009)
- IADIS European Conf. Data Mining, page 77-81. IADIS, (2008)
- Int. J. Intell. Syst. 21(12):1199-1216 (2006)
