メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.0187500 39.8750000, 140.0250000 39.8750000, 140.0250000 39.8791667, 140.0187500 39.8791667, 140.0187500 39.8750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral