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The Protégé 4OWL Editor
Matthew Horridge and Colleagues
OWL Editor Architecture
Ontology Management
OntologyFactories
Tools: Species validation, Change history, Debugging
ParserRegistry
OntologyStorers
RendererRegistry
Reasoners
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
0
150
300
450
600
750
Protege-OWL 3.3 Protege 4 (OWL API)
Mem
ory
/ (M
B)
Peak memoryMemory (after loading)
NCI Thesaurus Load Time
0
80
160
240
320
400
Protege-OWL 3.3 Protege 4 (OWL API)
Tim
e / (
ms)
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/