メタデータ名 G20493130681
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3312500 31.6166667, 131.3375000 31.6166667, 131.3375000 31.6208334, 131.3312500 31.6208334, 131.3312500 31.6166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral