メタデータ名 G20473133512
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0187500 42.5750000, 142.0250000 42.5750000, 142.0250000 42.5791667, 142.0187500 42.5791667, 142.0187500 42.5750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral