メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.921611954452 35.1206280154516, 136.921065915567 35.1206405614395, 136.921066125072 35.1206562668855, 136.920907539297 35.1206540410479, 136.921011232672 35.1200481705952, 136.921032592138 35.1199214482531, 136.921180801907 35.1198893561469, 136.921693896655 35.1197782166079, 136.921682369505 35.1199061562047, 136.921702697609 35.1199085919388, 136.921675803725 35.120159111647, 136.921716400865 35.1201625046271, 136.921998093499 35.1201859669885, 136.921965566348 35.1203864025798, 136.921690364289 35.1203627415055, 136.921651974061 35.1203594936416, 136.921611954452 35.1206280154516)) ^^http://www.opengis.net/ont/geosparql#wktLiteral