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Ontology-based geospatial information sharing and integration(课件
A Preliminary Study on Geo-ontology and Its Aapplication;Overview;Introduction;Introduction;Philosophical ontology IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;P-ontology vs. IS-ontology;IS-ontology;Kinds of ontologies;Kinds of ontologies;;ontology and metadata;Geo-ontology;Why need geo-ontology;Main topics in geo-ontology;Levels of geo-ontology;Representation languages ;The ontology language stack;Web Ontology Language (OWL);Design Goals for OWL; OWL Lite:
Classification hierarchy
Simple constraints
OWL DL:
Maximal expressiveness
While maintaining tractability
Standard formalisation
OWL Full:
Very high expressiveness
Loosing tractability
Non-standard formalisation
All syntactic freedom of RDF(self-modifying);Layered language;OWL constructors;OWL axioms;OWL Example;Ontology-based mapping application— DAML MAP;DAML MAP;DAML MAP;Ontology-driven GIS;Ontology-based information integration;Conclusions;Thank you!
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