The GraphStore package provides capabilities for representing, querying and updating RDF graphs and datasets. The package defines a symbolic layer that can be used to make SPARQL queries against local RDF stores or remote SPARQL endpoints.

Basic RDF Structures »

URL — a Uniform Resource Locator, used as a basic general identifier

RDFTriple — a triple in an RDF graph, consisting of subject, predicate and object nodes

RDFStore — an RDF graph or dataset

RDFBlankNode   ▪ RDFCollection   ▪ RDFLiteral   ▪ RDFString

Querying RDF Stores Using SPARQL »

SPARQLQuery — represents a SPARQL query

SPARQLExecute — execute a query on a SPARQL endpoint

SPARQLSelect — returns a list of bindings of variables to their values

SPARQLConstruct — create a graph from a template

SPARQLAsk — test whether a query pattern matches

SPARQLAggregate — an aggregate

SPARQLVariable   ▪ SPARQLOptional   ▪ SPARQLPropertyPath

SPARQLOrderBy   ▪ SPARQLProject   ▪ SPARQLDistinct   ▪ SPARQLLimit

Writing To RDF Stores Using SPARQL »

SPARQLUpdate — represents a SPARQL update request

SPARQLExecute — execute an update request on a SPARQL endpoint

SPARQLInsertData   ▪ SPARQLDelete   ▪ SPARQLLoad   ▪ SPARQLClear

SPARQLCreate   ▪ SPARQLDrop   ▪ SPARQLMove

Related Guides

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• RDF- and SPARQL-Related Formats