メタデータ名 indicator-C630104
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4937500 36.0000000, 140.5000000 36.0000000, 140.5000000 36.0041667, 140.4937500 36.0041667, 140.4937500 36.0000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral