メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.2437500 45.0875000, 142.2500000 45.0875000, 142.2500000 45.0916667, 142.2437500 45.0916667, 142.2437500 45.0875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral