メタデータ名 G20523921903
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.5375000 35.1083333, 138.5437500 35.1083333, 138.5437500 35.1125000, 138.5375000 35.1125000, 138.5375000 35.1083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral