メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.228340098391 36.1295913220816, 136.227767729229 36.1295952677978, 136.227795466609 36.1292196316912, 136.227757036914 36.1289627305587, 136.227409085211 36.1290047219422, 136.227386600529 36.1288442213257, 136.22749948094 36.1288302416164, 136.227650162668 36.1288012108399, 136.227725490923 36.1287830947521, 136.227783082705 36.1287686047416, 136.227849528333 36.1287469236688, 136.227951449632 36.1287251663303, 136.228062268252 36.1287105753168, 136.228266172687 36.1286886243301, 136.228372542867 36.1286740486802, 136.228518837772 36.1286665803809, 136.228702232824 36.1286652801044, 136.228849626389 36.1295878104441, 136.228340098391 36.1295913220816)) ^^http://www.opengis.net/ont/geosparql#wktLiteral