メタデータ名 G20584177602
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0187500 39.6875000, 141.0250000 39.6875000, 141.0250000 39.6916667, 141.0187500 39.6916667, 141.0187500 39.6875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral