メタデータ名 G20493361952
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0125000 38.5708334, 141.0187500 38.5708334, 141.0187500 38.5750000, 141.0125000 38.5750000, 141.0125000 38.5708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral