メタデータ名 G20574037874
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.9687500 35.0375000, 138.9750000 35.0375000, 138.9750000 35.0416667, 138.9687500 35.0416667, 138.9687500 35.0375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral