The Protégé platform supports two main ways of modeling ontologies via the
Protégé-Frames and Protégé-OWL editors. Protégé ontologies can be exported
into a variety of formats including RDF(S), OWL, and XML Schema.
Protégé is based on Java, is extensible, and provides a plug-and-play
environment that makes it a flexible base for rapid prototyping and
Protégé is supported by a strong community of developers and academic,
government and corporate users, who are using Protégé for knowledge
solutions in areas as diverse as biomedicine, intelligence gathering, and