メタデータ名 G20584122984
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2875000 39.0666667, 141.2937500 39.0666667, 141.2937500 39.0708334, 141.2875000 39.0708334, 141.2875000 39.0666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral