メタデータ名 G20614003493
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0187500 39.5708334, 142.0250000 39.5708334, 142.0250000 39.5750000, 142.0187500 39.5750000, 142.0187500 39.5708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral