メタデータ名 G20644152444
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.7875000 37.0375000, 138.7937500 37.0375000, 138.7937500 37.0416667, 138.7875000 37.0416667, 138.7875000 37.0375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral