メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.0750000 35.1250000, 139.0812500 35.1250000, 139.0812500 35.1291667, 139.0750000 35.1291667, 139.0750000 35.1250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral