メタデータ名 G20513545884
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5687500 35.6708334, 139.5750000 35.6708334, 139.5750000 35.6750000, 139.5687500 35.6750000, 139.5687500 35.6708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral