メタデータ名 indicator-C220832
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4750000 40.3125000, 141.4812500 40.3125000, 141.4812500 40.3166667, 141.4750000 40.3166667, 141.4750000 40.3125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral