メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.124043046077 38.9247725844212, 141.124324824556 38.9248371974385, 141.125166705096 38.9250944537086, 141.125370805422 38.9251830464848, 141.125549655506 38.9252607229844, 141.125598690102 38.9252819963065, 141.126212724371 38.9257048581524, 141.126774886907 38.9260942043822, 141.127303071204 38.9266048289611, 141.127343924917 38.9266465323317, 141.12800800906 38.9273246710623, 141.126573640594 38.9285243306395, 141.126253624313 38.9285209807022, 141.126085332606 38.928630703705, 141.125629413926 38.928933637932, 141.125264382209 38.9291760974332, 141.124878647446 38.9294567541754, 141.124665263934 38.9296181060697, 141.124382531172 38.9299305982294, 141.123975582937 38.9296089843512, 141.122752944241 38.9289056734407, 141.123124514894 38.9278391146811, 141.122577046227 38.9276720484253, 141.122728453361 38.9274088003857, 141.122788222258 38.9267518557949, 141.123062066433 38.9245275578259, 141.123772361505 38.9247105467037, 141.124043046077 38.9247725844212)) ^^http://www.opengis.net/ont/geosparql#wktLiteral