メタデータ名 G20493005614
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6937500 43.0083333, 141.7000000 43.0083333, 141.7000000 43.0125000, 141.6937500 43.0125000, 141.6937500 43.0083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral