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Can I use SPARQL to query data thats not stored in RDF?

April 26, 2017Data query RDF SPARQL stored

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Can I use SPARQL to query data thats not stored in RDF?

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Several software packages exist which allow SPARQL queries to generate answers from data sources other than RDF, such as relational databases, LDAP servers, or XML data. The community maintains a list of these tools at the W3C ESW Wiki. The W3C recently completed an incubator group examining the state of the art in accessing relational databases via SPARQL. As a result of this incubator group, a new Working Group may be established to produce specifications in this area.