メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.4750000 34.6916667, 136.4812500 34.6916667, 136.4812500 34.6958334, 136.4750000 34.6958334, 136.4750000 34.6916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral