メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.475035407661 43.0625343012618, 144.475404904931 43.0628164334166, 144.472968281989 43.0644154491481, 144.472782581038 43.0642878303197, 144.472355518161 43.0639945716869, 144.472330736637 43.0639776123803, 144.471914759009 43.063688426071, 144.47327554459 43.062669666198, 144.473963546267 43.0621377672255, 144.473527665602 43.0618178196168, 144.473124263988 43.0615260032507, 144.473565994156 43.0612495383271, 144.473966119545 43.0616681461009, 144.47420546949 43.0618737668255, 144.474244351245 43.0618615475154, 144.4747963229 43.0623520259097, 144.475035407661 43.0625343012618)) ^^http://www.opengis.net/ont/geosparql#wktLiteral