"Knowledge Graph" . "Yes, you can upgrade from the open-source version to the commercial version at any time. You will need to reach out to OpenLink directly to facilitate the switch and ensure a smooth transition."@en . . "Yes, you can upgrade from the open-source version to the commercial version at any time. You will need to reach out to OpenLink directly to facilitate the switch and ensure a smooth transition."@en . . . . "Graph Database" . "Web 3.0"@en . . . . . "Virtuoso" . "Semantic Web" . . . "Linked Data" .