メタデータ名 indicator-C220805
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.0812500 37.3458334, 137.0875000 37.3458334, 137.0875000 37.3500000, 137.0812500 37.3500000, 137.0812500 37.3458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral