メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.810168433099 35.2939429263663, 136.811324657023 35.2939735154387, 136.812212116256 35.2939958413594, 136.812323101905 35.2945661704296, 136.812331249984 35.2946080253259, 136.812397659971 35.2950220966525, 136.81130127906 35.294959861222, 136.811276996661 35.2949588748428, 136.810104019075 35.2949169662724, 136.809107137896 35.2948757083427, 136.809140396308 35.2944094677153, 136.809169001504 35.2939078589146, 136.810168433099 35.2939429263663)) ^^http://www.opengis.net/ont/geosparql#wktLiteral