メタデータ名 G20453047832
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.6187500 37.0833333, 138.6250000 37.0833333, 138.6250000 37.0875000, 138.6187500 37.0875000, 138.6187500 37.0833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral