メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.281721354018 43.0925154238511, 141.281048595759 43.0929148990145, 141.280987083431 43.0929514420457, 141.280423262853 43.0932943764645, 141.280386706349 43.0933122818365, 141.280223125539 43.0931698170539, 141.27958153888 43.0926021042874, 141.2789242536 43.0920203997375, 141.279002209391 43.0919756279651, 141.279926394121 43.0921541475941, 141.280213417409 43.0922090432291, 141.280720590376 43.0923058885769, 141.280880176361 43.0923364255354, 141.281721354018 43.0925154238511)) ^^http://www.opengis.net/ont/geosparql#wktLiteral