メタデータ名 G20594100224
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7687500 44.5541667, 141.7750000 44.5541667, 141.7750000 44.5583333, 141.7687500 44.5583333, 141.7687500 44.5541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral