メタデータ名 G20523655923
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.4312500 37.0833333, 138.4375000 37.0833333, 138.4375000 37.0875000, 138.4312500 37.0875000, 138.4312500 37.0833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral