メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.5812500 34.6208334, 135.5875000 34.6208334, 135.5875000 34.6250000, 135.5812500 34.6250000, 135.5812500 34.6208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral