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GraphDB SE
GraphDB SE repositories store data, answer queries and execute updates.
GraphDB Free
GraphDB Free repositories store data, answer queries and execute updates.
GraphDB EE Worker
Worker repositories store data, answer queries and execute updates.
GraphDB EE Master
Master repositories accept queries and updates from clients and forward them to workers.
Ontop Virtual SPARQL
Ontop repositories translate data stored in an SQL database to a virtual SPARQL endpoint.
FedX Virtual SPARQL
FedX repositories provide transparent federation of multiple SPARQL endpoints under a single virtual endpoint.