メタデータ名 G20503015024
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9875000 42.3000000, 140.9937500 42.3000000, 140.9937500 42.3041667, 140.9875000 42.3041667, 140.9875000 42.3000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral