メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.066926749786 39.7743208421792, 140.066715335564 39.7743719241151, 140.066615573821 39.7740920509533, 140.066765110523 39.774057344735, 140.066780971915 39.7741113879542, 140.067011739068 39.7740748430253, 140.066964237665 39.7739095271896, 140.067451728366 39.7738231127046, 140.067393161715 39.7736315465811, 140.0680086704 39.7735015542508, 140.068034429479 39.7734977483596, 140.068138378109 39.7737993745352, 140.068226731985 39.7740394111234, 140.066926749786 39.7743208421792)) ^^http://www.opengis.net/ont/geosparql#wktLiteral