メタデータ名 G20503335341
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.8687500 36.0458334, 139.8750000 36.0458334, 139.8750000 36.0500000, 139.8687500 36.0500000, 139.8687500 36.0458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral