メタデータ名 S012120020
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8125000 43.2083333, 141.8187500 43.2083333, 141.8187500 43.2125000, 141.8125000 43.2125000, 141.8125000 43.2083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral