Executes a SPARQL query against the RDF store.
Usage
sparql_query(store, query)
Arguments
- store
An RDF store handle
- query
A SPARQL query string
Value
For SELECT queries, a data.frame with results. For ASK queries, a logical.
For CONSTRUCT/DESCRIBE queries, a data.frame with subject, predicate, object columns.
Examples
store <- rdf_store()
rdf_load(store, '<http://example.org/s> <http://example.org/p> "hello" .', format = "ntriples")
sparql_query(store, "SELECT * WHERE { ?s ?p ?o }")
#> o p s
#> 1 "hello" <http://example.org/p> <http://example.org/s>
