This book constitutes the thoroughly refereed post-proceedings of the International Workshop on Web Services, E-Business, and the Semantic Web, WES 2002, held in Toronto, Canada in May 2002 in conjunction with CAiSE 2002 The 18 revised full papers presented together with two keynote papers were carefully selected and improved during two rounds озупж of reviewing and revision The papers are organized in topical sections on web services, e-business, and e-services and the semantic web.  WorryinISBN 3540001980.