メタデータ名 G20493235293
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.3687500 44.1833333, 142.3750000 44.1833333, 142.3750000 44.1875000, 142.3687500 44.1875000, 142.3687500 44.1833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral