メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.670989210058 35.0706958863161, 136.671071712264 35.0711000232224, 136.671155582488 35.0716761316141, 136.670008357641 35.0717847970155, 136.669758154221 35.071618777145, 136.669608123528 35.0712522667317, 136.669423864114 35.0708534090795, 136.669230959288 35.0704289626202, 136.669212320816 35.0703810355665, 136.669215505014 35.0703617217102, 136.669242145453 35.070340939886, 136.669433080629 35.0702465740821, 136.669613344626 35.0701618437846, 136.670404681775 35.0701063467715, 136.670381308674 35.0700134441867, 136.670620457272 35.0698656386276, 136.670851143662 35.0697202033928, 136.670989210058 35.0706958863161)) ^^http://www.opengis.net/ont/geosparql#wktLiteral