メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.324522601303 37.3953801777876, 140.324674240229 37.3954964082019, 140.325142375677 37.3951474044831, 140.325636817403 37.3947743547906, 140.326116826636 37.3944274100147, 140.326412384628 37.394700309188, 140.324509863479 37.3961450333779, 140.324152921977 37.3958561912271, 140.324475338032 37.3956211331963, 140.324363715416 37.3955117760316, 140.324522601303 37.3953801777876)) ^^http://www.opengis.net/ont/geosparql#wktLiteral