15
Semantic
Interoperability, Integration: Multiple Semantics
•Multiple contexts, views, application & user perspectives
•Multiple levels of precision, specification, definiteness required
•Multiple levels of semantic model verisimilitude, fidelity, granularity
•Multiple kinds of semantic mappings, transformations
needed:
–Entities, Relations, Properties, Ontologies, Model Modules, Namespaces, Meta-Levels, Facets (i.e., properties of properties), Units of Measure, Conversions, etc.