メタデータ名 indicator-H561201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4750000 38.4458334, 141.4812500 38.4458334, 141.4812500 38.4500000, 141.4750000 38.4500000, 141.4750000 38.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral