メタデータ名 G20543664431
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9875000 43.5666667, 141.9937500 43.5666667, 141.9937500 43.5708334, 141.9875000 43.5708334, 141.9875000 43.5666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral