メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.330885293883 43.1205909033981, 141.331067844274 43.1207804958094, 141.331573524588 43.1213059630582, 141.330856103056 43.1217061918355, 141.330498051469 43.1219069781311, 141.330464357019 43.1219259061405, 141.33012139195 43.1221128174338, 141.329742972891 43.1217508947365, 141.329407894331 43.121412174675, 141.329089685957 43.1210947592004, 141.328711510717 43.1207174322786, 141.329082839801 43.1205146493566, 141.329430458363 43.1203243316689, 141.329778273927 43.1201271235582, 141.330205931118 43.1199065750652, 141.330885293883 43.1205909033981)) ^^http://www.opengis.net/ont/geosparql#wktLiteral