メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((124.1375000 24.3500000, 124.1437500 24.3500000, 124.1437500 24.3541667, 124.1375000 24.3541667, 124.1375000 24.3500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral