メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.657770947148 42.8168972502224, 143.656771208799 42.816974600712, 143.656630063917 42.8169855487213, 143.656007993567 42.8170343377134, 143.656003766356 42.8169952851818, 143.655767438493 42.8153710811328, 143.65571368592 42.8150010266159, 143.655854271106 42.8149909302062, 143.655853450883 42.8149841885067, 143.656474310237 42.8149376670679, 143.656677923011 42.8149223649777, 143.657492155278 42.8148597459326, 143.657766940451 42.816842722706, 143.657770947148 42.8168972502224)) ^^http://www.opengis.net/ont/geosparql#wktLiteral