メタデータ名 package.json
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.0687500 43.0333333, 142.0750000 43.0333333, 142.0750000 43.0375000, 142.0687500 43.0375000, 142.0687500 43.0333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral