メタデータ名 openapi.json
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.3125000 32.1416667, 131.3187500 32.1416667, 131.3187500 32.1458334, 131.3125000 32.1458334, 131.3125000 32.1416667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral