メタデータ名 G20503373323
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0000000 36.4916667, 139.0062500 36.4916667, 139.0062500 36.4958334, 139.0000000 36.4958334, 139.0000000 36.4916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral