Const
The term types a graph name admits: NamedNodes and BlankNodes.
The SPARQL grammar only allows an IRI to be written in a GRAPH clause, but a variable there (GRAPH ?g) can still bind to a BlankNode graph name, so this cannot be narrowed to NamedNode.
GRAPH
GRAPH ?g
The term types a graph name admits: NamedNodes and BlankNodes.
The SPARQL grammar only allows an IRI to be written in a
GRAPHclause, but a variable there (GRAPH ?g) can still bind to a BlankNode graph name, so this cannot be narrowed to NamedNode.