Querying Heterogeneous Federations with Stardog 9 Up to 30x Faster
In many companies data is spread over a variety of sources in different departments and many business cases require accessing and analyzing this data in an integrated manner. Federated queries in SPARQL allow users to query multiple data sources as a unified Knowledge Graph. In Stardog, federated query processing is not limited to SPARQL endpoints as data sources but provides means to access data from a variety of services including Virtual Graphs (VGs) backed by a variety of data sources including SQL or NoSQL databases or other stardog servers.