メタデータ名 G20493371691
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.0312500 35.8541667, 138.0375000 35.8541667, 138.0375000 35.8583333, 138.0312500 35.8583333, 138.0312500 35.8541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral