メタデータ名 G20604012691
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1000000 42.4416667, 141.1062500 42.4416667, 141.1062500 42.4458334, 141.1000000 42.4458334, 141.1000000 42.4416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral