メタデータ名 indicator-C330411
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4500000 36.0500000, 139.4562500 36.0500000, 139.4562500 36.0541667, 139.4500000 36.0541667, 139.4500000 36.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral