The Protégé 4 OWL Editor Matthew Horridge and Colleagues
OWL Editor Architecture Tools: Species validation, Change history, Debugging Ontology Management Reasoners OntologyFactories OntologyStorers RendererRegistry ParserRegistry
Protégé 4 UI
Navigation
Plugins
OWL 1.1
Asserted vs. Inferred
Working with Multiple Ontologies
Performance
NCI Thesaurus: Memory Required to load from RDF/XML 750 Peak memory Memory (after loading) 600 Memory / (MB) 450 300 150 0 Protege-OWL 3.3 Protege 4 (OWL API)
NCI Thesaurus Load Time 400 320 240 Time / (ms) 160 80 0 Protege-OWL 3.3 Protege 4 (OWL API)
Conclusions • New architecture, with a “Native” OWL API • Flexible dynamically configurable GUI • Large performance improvements
Resources http://protege.stanford.edu/download/registered.html#p4 http://www.co-ode.org http://owlapi.sourceforge.net http://www.webont.org/owl/1.1/
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