メタデータ名 G20513501873
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8875000 43.3833333, 141.8937500 43.3833333, 141.8937500 43.3875000, 141.8875000 43.3875000, 141.8875000 43.3833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral