メタデータ名 G20543934251
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8812500 45.4458334, 141.8875000 45.4458334, 141.8875000 45.4500000, 141.8812500 45.4500000, 141.8812500 45.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral