メタデータ名 G20493164513
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.9562500 42.3625000, 140.9625000 42.3625000, 140.9625000 42.3666667, 140.9562500 42.3666667, 140.9562500 42.3625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral