メタデータ名 G20614016313
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0812500 38.7375000, 141.0875000 38.7375000, 141.0875000 38.7416667, 141.0812500 38.7416667, 141.0812500 38.7375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral