Optima, is a state of the art general purpose tool aims at performing ontology alignment that automatically identifies and matches relevant concepts between ontologies. The tool is supported by an intuitive user interface that facilitates the visualization and analysis of ontologies in N3, RDF and OWL and the alignment results. This is an open source ontology alignment frame work. Optima is also available as a plugin to Protégé ontology editor.

Ontology Alignment is the process of determining correspondences between the concepts of two given ontologies.

Screencast

This screencast demonstrates the various features of Optima.