メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.134107817153 34.6558003130514, 135.134549762588 34.6560948970208, 135.13483246813 34.6562800950289, 135.134923098492 34.6563448560893, 135.134523205776 34.656735127481, 135.134342281426 34.6569233761454, 135.134034306766 34.6572296532273, 135.133990475532 34.6572096579466, 135.133592205205 34.6569192924589, 135.132831560026 34.6563833962227, 135.133290871976 34.6559318902142, 135.133704291896 34.6555302658602, 135.134107817153 34.6558003130514)) ^^http://www.opengis.net/ont/geosparql#wktLiteral