メタデータ名 G20553926473
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9000000 43.3833333, 141.9062500 43.3833333, 141.9062500 43.3875000, 141.9000000 43.3875000, 141.9000000 43.3833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral