メタデータ名 indicator-H213010
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4812500 39.2625000, 140.4875000 39.2625000, 140.4875000 39.2666667, 140.4812500 39.2666667, 140.4812500 39.2625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral