メタデータ名 G20503103754
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3375000 31.8916667, 131.3437500 31.8916667, 131.3437500 31.8958334, 131.3375000 31.8958334, 131.3375000 31.8916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral