メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.4375000 32.0291667, 131.4437500 32.0291667, 131.4437500 32.0333333, 131.4375000 32.0333333, 131.4375000 32.0291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral