メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.457398162957 40.5878236324297, 140.457518502683 40.5882204705913, 140.457667356297 40.588622821216, 140.457783141899 40.5889887908619, 140.458018107257 40.5897416422911, 140.456818985611 40.5898765267513, 140.455573798285 40.5900204326952, 140.455461750591 40.5897339796549, 140.455268150129 40.589171479645, 140.455107989436 40.588743268203, 140.454976989562 40.5883487126225, 140.454834110913 40.5878925877125, 140.45645870703 40.5875269905604, 140.457169903929 40.5873703991814, 140.457263005078 40.5873499105381, 140.457398162957 40.5878236324297)) ^^http://www.opengis.net/ont/geosparql#wktLiteral