メタデータ名 G20513200874
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.8250000 42.9833333, 142.8312500 42.9833333, 142.8312500 42.9875000, 142.8250000 42.9875000, 142.8250000 42.9833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral