メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.869789027576 35.1244092830458, 136.871207728519 35.1244920908515, 136.87209797045 35.124525835159, 136.872104852176 35.1245550785074, 136.872075973696 35.1250105125397, 136.872120310041 35.1250232992022, 136.872151271794 35.1255600816328, 136.870876563031 35.1254932079325, 136.869788671775 35.1254351663412, 136.869558304391 35.125429314359, 136.869147029102 35.1254060400036, 136.869128388814 35.125399444764, 136.869153460598 35.1248804711276, 136.869156545027 35.1243620072203, 136.869789027576 35.1244092830458)) ^^http://www.opengis.net/ont/geosparql#wktLiteral