メタデータ名 G20644451583
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.9625000 44.5833333, 142.9687500 44.5833333, 142.9687500 44.5875000, 142.9625000 44.5875000, 142.9625000 44.5833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral