メタデータ名 indicator-I530129
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.6562500 44.4000000, 142.6625000 44.4000000, 142.6625000 44.4041667, 142.6562500 44.4041667, 142.6562500 44.4000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral