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?