ER'03 - Workflows, Patterns, and Ontologies Towards a logical model for patterns Stefano Rizzi Elisa Bertino Barbara Catania Matteo Golfarelli Maria Halkidi Manolis Terrovitis Panos Vassiliadis Michalis Vazirgiannis E. Vrachnos Designing Foundational Ontologies The Object-Centered High-level REference Ontology OCHRE as a Case Study Luc Schneider Temporal Conceptual Modelling of Workflows Carlo Combi Giuseppe Pozzi Return to ER'03 Sessions ©2005 Association for Computing Machinery