メタデータ名 G20502965251
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.3000000 42.4208334, 140.3062500 42.4208334, 140.3062500 42.4250000, 140.3000000 42.4250000, 140.3000000 42.4208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral