メタデータ名 G20473054963
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5562500 35.4958334, 139.5625000 35.4958334, 139.5625000 35.5000000, 139.5562500 35.5000000, 139.5562500 35.4958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral