メタデータ名 G20574032974
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.4812500 43.8958334, 142.4875000 43.8958334, 142.4875000 43.9000000, 142.4812500 43.9000000, 142.4812500 43.8958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral