メタデータ名 G20574016021
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.0937500 33.9458334, 136.1000000 33.9458334, 136.1000000 33.9500000, 136.0937500 33.9500000, 136.0937500 33.9458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral