The Concept of Knowledge Media / Katarina Stanoevska-Slabeva -- Experience with a Functional-Logic Multi-Agent Architecture for Medical Problem Solving / Giordano Lanzola, Harold Boley -- Cross-Fertilizing Logic Programming and XML for Knowledge Representation / Harold Boley -- Four Different Types of Classification Models / Hans Rudolf Straub -- Towards Improved Representation and Communication of Pharmaceutical Expert Information / Markus Wagner -- A Semantically Advanced Querying Methodology for Medical Knowledge and Decision Support / Epaminondas Kapetanios -- Towards a Secure Web-Based Healthcare Application / Konstantin Knorr, Susanne Rohrig -- Secure Internet Access to Medical Data / Ulrich Ultes-Nitsche, Stephanie Teufel -- Poems in the Information Jungle - How Do Physicians Survive? / Allen F. Shaughnessy, David C. Slawson, Joachim E. Fischer -- The Medical Journal Club - A Tool for Knowledge Refinement and Transfer in Healthcare / Kahild S. Khan, Lucas M. Bachmann, Johann Steurer -- Using On-Line Medical Knowledge to Support Evidence-Based Practice / Daniel L. Moody, Graeme G. Shanks -- Structured Content and Connectivity of Medical Information - The Medical Data Web / Walter Fierz -- An Extensible Approach for Modeling Ontologies in RDF(S) / Steffen Staab, Michael Erdmann, Alexander Maedche, Stefan Decker -- Towards a Semantic Web of Evidence-Based Medical Information / Rolf Grutter, Claus Eikemeier, Johann Steurer.