Session 1: Modeling Navigation and Interaction Monday, November 15, 16:30-18:00 Session Chair and Discussant: Stephen W. Liddle, USA Modeling Interactive Web Sources for Information Mediation Bertram Ludäscher and Amarnath Gupta, USA Web Application Models Are More Than Conceptual Models Gustavo Rossi, Daniel Schwabe, and Fernando Lyardet, Argentina and Brazil E/R Based Scenario Modeling for Rapid Prototyping of Web Information Services Thomas Feyer and Bernhard Thalheim, Germany Session 2: Directions in Web Modeling Tuesday, November 16, 16:30-18:00 Session Chair and Discussant: David W. Embley, USA Models for Superimposed Information Lois M.L. Delcambre and David Maier, USA Formalizing the Specification of Web Applications D.M. Germán and D.D. Cowan, Canada "Modeling-by-Patterns" of Web Applications Franca Garzotto, Paolo Paolini, Davide Bolchini, and Sara Valenti, Italy and Switzerland Session 3: Modeling Web Information Wednesday, November 17, 16:30-18:00 Session Chair and Discussant: Alberto H.F. Laender, Brazil A Unified Framework for Wrapping, Mediating and Restructuring Information from the Web Wolfgang May, Rainer Himmeröder, Georg Lausen, and Bertram Ludäscher, Germany Semantically Accessing Documents Using Conceptual Model Descriptions Terje Brasethvik and Jon Atle Gulla, Norway Knowledge Discovery for Automatic Query Expansion on the World-Wide Web Mathias Géry and M. Hatem Haddad, France Session 4: Modeling Web Applications Thursday, November 18, 16:30-18:00 Session Chair and Discussant: Peter P. Chen, USA KnowCat: A Web Application for Knowledge Organization Xavier Alamán and Ruth Cobos, Spain Metamodeling for Web-Based Teachware Management Christian Süß and Burkhard Freitag, Germany Data Warehouse Design for E-Commerce Environments Il-Yeol Song and Kelly LeVan-Shultz, USA