メタデータ名 G20503000004
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1062500 36.0708334, 139.1125000 36.0708334, 139.1125000 36.0750000, 139.1062500 36.0750000, 139.1062500 36.0708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral