メタデータ名 G20544020642
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.8375000 42.9833333, 142.8437500 42.9833333, 142.8437500 42.9875000, 142.8375000 42.9875000, 142.8375000 42.9833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral