May 11, 20251 yr These graph databases use RDF (Resource Description Framework) and are geared toward semantic data modeling, linked data, and ontologies. They are widely used in research, enterprise knowledge graphs, digital libraries, and natural language processing systems. SPARQL is the primary query language, and many support OWL and SHACL for reasoning and constraints. Tools: Ontotext GraphDB – A leading RDF triple store supporting reasoning, SPARQL, and linked open data. Ideal for knowledge graph use in publishing, pharma, and enterprise semantic search. Stardog – A knowledge graph platform offering RDF storage with SPARQL, reasoning, and data virtualization. Frequently used for enterprise data unification, governance, and analytics.
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