Previous editions chronologically  QofIS'00: Berlin, September 2000  Access to the QofIS'00 abstracts (LNCS 1922)  QofIS'01: Coimbra, September 2001  Access to the QofIS'01 abstracts (LNCS 2156)  QofIS'02: Zürich, October, 2002  Access to the QofIS'02 abstracts (LNCS 2511)  QofIS'03: Stockholm, October 2003  Access to the QofIS'03 abstracts (LNCS 2811)