メタデータ名 G20422954321
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7250000 43.1875000, 141.7312500 43.1875000, 141.7312500 43.1916667, 141.7250000 43.1916667, 141.7250000 43.1875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral