メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.495846985189 39.2142369343545, 140.49563478211 39.2149527058295, 140.493541324994 39.2146140141867, 140.491633325005 39.2143201681561, 140.490998181135 39.2139450879495, 140.492458242705 39.2139286027937, 140.492776810398 39.2139441722201, 140.492411442269 39.2130269163923, 140.491454751014 39.21015760673, 140.491551067034 39.2101441645999, 140.49255573336 39.2100221115477, 140.493334960748 39.2099716007909, 140.494010318155 39.2099680074525, 140.49481653429 39.2100008927288, 140.495513810355 39.2101287485621, 140.496050920465 39.2102533231748, 140.496673688889 39.2104464097554, 140.49676501935 39.2104725731185, 140.496507959431 39.2113677422663, 140.495846985189 39.2142369343545)) ^^http://www.opengis.net/ont/geosparql#wktLiteral