メタデータ名 ieClassification-250
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5062500 35.6166667, 140.5125000 35.6166667, 140.5125000 35.6208334, 140.5062500 35.6208334, 140.5062500 35.6166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral