メタデータ名 obsStatus-E
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6437500 35.9000000, 139.6500000 35.9000000, 139.6500000 35.9041667, 139.6437500 35.9041667, 139.6437500 35.9000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral