メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.909358930073 35.10525147335, 136.909353990438 35.1052689984368, 136.90936705042 35.1052717730328, 136.909252204639 35.1056575956285, 136.909160015373 35.1060456507237, 136.907975421832 35.1056437317884, 136.908066938905 35.1054092025624, 136.908188600281 35.1050244523167, 136.908249225617 35.1048021106886, 136.90843015961 35.1048471480226, 136.908944030623 35.1049648726832, 136.909409845444 35.1050703086813, 136.909358930073 35.10525147335)) ^^http://www.opengis.net/ont/geosparql#wktLiteral