メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.339468495902 43.038514746019, 141.340456944435 43.0385837238029, 141.340418599167 43.038907851711, 141.340378460781 43.0392430065765, 141.340288407313 43.0398935469524, 141.339345402669 43.039823451838, 141.33928292015 43.0398147957842, 141.338282884423 43.0397436051277, 141.33833881659 43.0392944313883, 141.338366176011 43.0391043357811, 141.338424254726 43.0386849989492, 141.33844185886 43.0384543164027, 141.339127998838 43.0384909364726, 141.339468495902 43.038514746019)) ^^http://www.opengis.net/ont/geosparql#wktLiteral