メタデータ名 G20493020714
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.4937500 34.5583333, 135.5000000 34.5583333, 135.5000000 34.5625000, 135.4937500 34.5625000, 135.4937500 34.5583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral