メタデータ名 indicator-H613003
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4625000 36.6583333, 139.4687500 36.6583333, 139.4687500 36.6625000, 139.4625000 36.6625000, 139.4625000 36.6583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral