メタデータ名 indicator-C210833
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.2250000 34.0791667, 134.2312500 34.0791667, 134.2312500 34.0833333, 134.2250000 34.0833333, 134.2250000 34.0791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral