メタデータ名 G20644163591
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.8375000 44.9791667, 141.8437500 44.9791667, 141.8437500 44.9833333, 141.8375000 44.9833333, 141.8375000 44.9791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral