メタデータ名 G20493012584
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.5375000 43.0208334, 143.5437500 43.0208334, 143.5437500 43.0250000, 143.5375000 43.0250000, 143.5375000 43.0208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral