Overview
• The Problem
• Tightness of Coupling & Explicit Semantics
• Semantic Integration Implies Semantic Composition
• Dimensions of Interoperability & Integration
• Ontologies
– The Ontology Spectrum
– What are Ontologies?
– Levels of Ontology Representation
– What Problems do Ontologies Help Solve?
• Ontologies for Semantically Interoperable Systems
– Enabling Semantic Interoperability
– Examples
– Visions
– What do We Want the Future to be?