メタデータ名 G20654452444
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4937500 43.0458334, 141.5000000 43.0458334, 141.5000000 43.0500000, 141.4937500 43.0500000, 141.4937500 43.0458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral