メタデータ名 G20513511631
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6625000 36.1833333, 139.6687500 36.1833333, 139.6687500 36.1875000, 139.6625000 36.1875000, 139.6625000 36.1833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral