メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.0562500 34.9625000, 137.0625000 34.9625000, 137.0625000 34.9666667, 137.0562500 34.9666667, 137.0562500 34.9625000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral