メタデータ名 G20513522531
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9562500 39.5833333, 141.9625000 39.5833333, 141.9625000 39.5875000, 141.9562500 39.5875000, 141.9562500 39.5833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral