メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.7000000 34.4541667, 131.7062500 34.4541667, 131.7062500 34.4583333, 131.7000000 34.4583333, 131.7000000 34.4541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral