メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.759491595169 35.4186078419218, 136.759540586447 35.4188475045518, 136.758955773261 35.4189276909185, 136.758894612781 35.4189355487203, 136.758765964831 35.4189521236621, 136.758759729702 35.4189261881411, 136.758702678853 35.4186643159973, 136.758716619948 35.4186376378063, 136.758674801382 35.4182036742506, 136.759447136219 35.418313161726, 136.75967345155 35.4182995160515, 136.759683027957 35.4183879604984, 136.759783621893 35.4183821344072, 136.759797643572 35.418587807844, 136.759491595169 35.4186078419218)) ^^http://www.opengis.net/ont/geosparql#wktLiteral