メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.2312500 34.8583333, 136.2375000 34.8583333, 136.2375000 34.8625000, 136.2312500 34.8625000, 136.2312500 34.8583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral