メタデータ名 ieClassification-1_7
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5625000 36.0500000, 139.5687500 36.0500000, 139.5687500 36.0541667, 139.5625000 36.0541667, 139.5625000 36.0500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral