Rough Sets and Current Trends in Computing 5th International Conference, RSCTC 2006 Kobe, Japan, November 6-8, 2006 Proceedings - Greco, Salvatore; Hata, Yutaka; Hirano, Shoji; Inuiguchi, Masahiro; Miyamoto, Sadaaki; Nguyen, Hung Son; Słowiński, Roman (Springer Berlin Heidelberg, 2006)