メタデータ名 G20513424611
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.4687500 43.1708334, 141.4750000 43.1708334, 141.4750000 43.1750000, 141.4687500 43.1750000, 141.4687500 43.1708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral