メタデータ名 indicator-F610101
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0437500 36.5333333, 139.0500000 36.5333333, 139.0500000 36.5375000, 139.0437500 36.5375000, 139.0437500 36.5333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral