メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.8000000 35.2083333, 136.8062500 35.2083333, 136.8062500 35.2125000, 136.8000000 35.2125000, 136.8000000 35.2083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral