メタデータ名 G20574150422
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9750000 43.5541667, 141.9812500 43.5541667, 141.9812500 43.5583333, 141.9750000 43.5583333, 141.9750000 43.5541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral