メタデータ名 ieClassification-452
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2687500 41.2166667, 141.2750000 41.2166667, 141.2750000 41.2208334, 141.2687500 41.2208334, 141.2687500 41.2166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral