Foundations of Information and Knowledge Systems : Second International Symposium FoIKS 2002 Salzau Castle Germany February 20–23 2002 Proceedings This book constitutes the refereed proceedings of the Second International Symposium on Foundations of Information and Knowledge Systems FoIKS 2002 held at Salzau Castle Germany in February 2002. The 17 revised full papers presented were carefully reviewed and selected from a total of 55 submissions. All current issues on the foundations and mathematics of advanced information systems and knowledge processing are addressed