メタデータ名 statusInEmployment-1
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.7750000 36.9125000, 140.7812500 36.9125000, 140.7812500 36.9166667, 140.7750000 36.9166667, 140.7750000 36.9125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral