Special Issue of Operations Research and Decisions (Editors: Vito Fragnelli, Gianfranco Gambarelli, Jacek Mercik and Walenty Ostasiewicz) is planned for members of SING7 Meeting in Paris, July 18-20, 2011. Prospective papers should be send directly to the Journal: ord@pwr.wroc.pl.

Dead-line: October 15, 2011.