Ontop

ontop

Platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL

JavaImplemented in

5.5.0Latest version

Apache Software License 2.0Licence

Facts

Implemented in: Java
Latest version: 5.5.0 (February 14, 2026)
Licence: Apache Software License 2.0
Kind: semantic web software, server software, free software, ontology-based data access, software
Developer: Ontopic, Free University of Bozen-Bolzano
Used for: knowledge graph querying, knowledge graph population, knowledge graph storage, knowledge graph publication, knowledge graph reasoning, programatic reasoning, knowledge graph maintenance, knowledge graph version management, issue tracking system, knowledge graph, mapping, data integration +3