Generates a SPARQL zero-or-one (?) property path.
?
Suffixes the path with ?, matching the element traversed at most once. The operand must be a path primary so the quantifier binds to the whole element.
The path element to make optional
The ?-suffixed path
SPARQL 1.1 Property Paths
Generates a SPARQL zero-or-one (
?) property path.Suffixes the path with
?, matching the element traversed at most once. The operand must be a path primary so the quantifier binds to the whole element.