メタデータ名 G20503335413
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.6812500 34.7458334, 137.6875000 34.7458334, 137.6875000 34.7500000, 137.6812500 34.7500000, 137.6812500 34.7458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral