メタデータ名 G20583906824
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3125000 39.2208334, 141.3187500 39.2208334, 141.3187500 39.2250000, 141.3125000 39.2250000, 141.3125000 39.2208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral