メタデータ名 S283810020
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.9500000 43.5958334, 141.9562500 43.5958334, 141.9562500 43.6000000, 141.9500000 43.6000000, 141.9500000 43.5958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral