メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.5875000 35.5083333, 139.5937500 35.5083333, 139.5937500 35.5125000, 139.5875000 35.5125000, 139.5875000 35.5083333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral