メタデータ名 C15217-19940302
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0125000 38.3083333, 141.0187500 38.3083333, 141.0187500 38.3125000, 141.0125000 38.3125000, 141.0125000 38.3083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral