E-Commerce and Web Technologies Third International Conference, EC-Web 2002, Aix-en-Provence, France, September 2-6, 2002, Proceedings - Bauknecht, Kurt; Bauknecht, Kurt; Tjoa, A Min; Tjoa, A Min; Quirchmayr, Gerald; Quirchmayr, Gerald (Springer Berlin Heidelberg : Imprint: Springer, 2002)