. . . "Linked Data" . "Graph Database" . . "Knowledge Graph" . . . "Virtuoso" . . "Modification of the source code of the commercial version of OpenLink Virtuoso is typically restricted. You'll need to review the terms of your license agreement or consult with OpenLink directly for specific guidelines."@en . . "Web 3.0"@en . . . "Semantic Web" . "Modification of the source code of the commercial version of OpenLink Virtuoso is typically restricted. You'll need to review the terms of your license agreement or consult with OpenLink directly for specific guidelines."@en .