メタデータ名 IndexItemsConcept
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.9375000 36.5375000, 139.9437500 36.5375000, 139.9437500 36.5416667, 139.9375000 36.5416667, 139.9375000 36.5375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral