メタデータ名 G20493371241
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1875000 36.3666667, 139.1937500 36.3666667, 139.1937500 36.3708334, 139.1875000 36.3708334, 139.1875000 36.3666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral