by Altova, Inc.
Altova SemanticWorks 2006 is the ground-breaking visual RDF/OWL editor. Visually design Semantic Web instance docs, vocabularies, and ontologies then output the format of your choice. It is the sensible way to put the Semantic Web to work for you.
rdf owl owl editor rdfs owl dl owl full rdf/xml n-triples ontologies semantic web uri