メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.3687500 43.2791667, 144.3750000 43.2791667, 144.3750000 43.2833333, 144.3687500 43.2833333, 144.3687500 43.2791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral