メタデータ名 indicator-F3321
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.5812500 32.9958334, 131.5875000 32.9958334, 131.5875000 33.0000000, 131.5812500 33.0000000, 131.5812500 32.9958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral