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/