メタデータ名 ieClassification-5_5
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.5312500 32.1958334, 131.5375000 32.1958334, 131.5375000 32.2000000, 131.5312500 32.2000000, 131.5312500 32.1958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral