メタデータ名 G20513256361
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2750000 35.3500000, 139.2812500 35.3500000, 139.2812500 35.3541667, 139.2750000 35.3541667, 139.2750000 35.3500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral