メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.98442012218 36.8907697507436, 139.984726970656 36.8905046424513, 139.985496319648 36.8898560164704, 139.985814161349 36.8895915942077, 139.986340099226 36.8901160013805, 139.986329854237 36.8901870524727, 139.986321009084 36.890289432102, 139.986340467544 36.8904545749974, 139.98642689197 36.8906197043755, 139.98649657717 36.8906981870916, 139.986805417769 36.8909342803481, 139.987495224985 36.8914251683906, 139.986326839456 36.8925745411124, 139.985796582507 36.8931205698867, 139.984757382892 36.8941428942429, 139.984070808849 36.8947474778478, 139.983609469761 36.8951171163502, 139.983313973554 36.8953538346289, 139.983114117353 36.8955046099409, 139.982771521009 36.895817280999, 139.982014513919 36.8952081653445, 139.980462313882 36.8939891963395, 139.981880285065 36.892819369858, 139.98251737265 36.8923123719307, 139.982571217127 36.8922694990341, 139.983336559331 36.8916596871569, 139.98442012218 36.8907697507436)) ^^http://www.opengis.net/ont/geosparql#wktLiteral