. "Yes, you can use the open-source version of OpenLink Virtuoso for commercial purposes. However, it's important to understand that it is subject to the terms and conditions of the GNU General Public License (GPL), which requires you to release any modifications you make to the source code."@en . "Web 3.0"@en . . . . "Virtuoso" . "Semantic Web" . . . "Linked Data" . . "Knowledge Graph" . . . "Yes, you can use the open-source version of OpenLink Virtuoso for commercial purposes. However, it's important to understand that it is subject to the terms and conditions of the GNU General Public License (GPL), which requires you to release any modifications you make to the source code."@en . . "Graph Database" .