メタデータ名 ds012015007
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.6750000 43.8833333, 144.6812500 43.8833333, 144.6812500 43.8875000, 144.6750000 43.8875000, 144.6750000 43.8833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral