メタデータ名 ieClassification-3X3
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.1375000 37.5125000, 140.1437500 37.5125000, 140.1437500 37.5166667, 140.1375000 37.5166667, 140.1375000 37.5125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral