メタデータ名 StatusInEmploymentConcept
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.1312500 35.1666667, 136.1375000 35.1666667, 136.1375000 35.1708334, 136.1312500 35.1708334, 136.1312500 35.1666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral