Generates a SPARQL datatype() call extracting a literal's datatype IRI.
Returns the datatype IRI of a typed literal, xsd:string for a plain literal, and rdf:langString
for a language-tagged one; raises on a non-literal term.
Parameters
expression: string
The expression evaluating to the literal to inspect
Generates a SPARQL
datatype()call extracting a literal's datatype IRI.Returns the datatype IRI of a typed literal,
xsd:stringfor a plain literal, andrdf:langStringfor a language-tagged one; raises on a non-literal term.