メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.338424254726 43.0386849989492, 141.338366176011 43.0391043357811, 141.33833881659 43.0392944313883, 141.338282884423 43.0397436051277, 141.337690804034 43.0396995008742, 141.337108585472 43.0396628567865, 141.336713036613 43.0396333965293, 141.336556482669 43.0396321467917, 141.336597030661 43.0393483375246, 141.336634803328 43.0390835655981, 141.336646356135 43.0390028483691, 141.336705353277 43.0385675553531, 141.336748104722 43.0383225856853, 141.33844185886 43.0384543164027, 141.338424254726 43.0386849989492)) ^^http://www.opengis.net/ont/geosparql#wktLiteral