メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.990969821169 37.7391983836138, 140.990543468316 37.7390896658522, 140.990423061159 37.739081557367, 140.990318267642 37.7390856824165, 140.990182975863 37.7391178433589, 140.990024706461 37.739165714415, 140.989756877854 37.739293076978, 140.988971781158 37.7387835465174, 140.991641806481 37.7374431313886, 140.992748000171 37.7390184357733, 140.992268334231 37.7391856167014, 140.991791162653 37.7393253196164, 140.991613950373 37.739346348964, 140.991385512264 37.7393280411028, 140.990969821169 37.7391983836138)) ^^http://www.opengis.net/ont/geosparql#wktLiteral