メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.628966846057 33.2480932682183, 131.629196660176 33.2481300950796, 131.629673750513 33.2482006798093, 131.629552860072 33.2488374376687, 131.629416130014 33.2495339087073, 131.629370022978 33.249779546795, 131.62929246364 33.2497669940507, 131.628101393743 33.2496105456774, 131.627560953327 33.2497854490254, 131.627465035721 33.2495800319673, 131.627326115688 33.2493051425371, 131.627099418829 33.2488550496436, 131.627015092716 33.2486525514872, 131.626879736893 33.2483716022803, 131.626804634205 33.2482038931819, 131.626637995167 33.2478337384058, 131.626708278559 33.2478429640033, 131.628966846057 33.2480932682183)) ^^http://www.opengis.net/ont/geosparql#wktLiteral