メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.658536264538 42.832422827711, 141.659732862702 42.8319869001947, 141.659985392882 42.8324925614877, 141.659998677948 42.8325124646425, 141.660021431844 42.8325464823689, 141.660076858033 42.8326718904845, 141.660188092014 42.8328876839207, 141.660286584178 42.8331020044, 141.660362141051 42.8332260389342, 141.66043743827 42.833377151062, 141.660465171499 42.8335358950775, 141.660456722675 42.8337258913792, 141.660444437925 42.8338318896559, 141.660371096486 42.8339672545447, 141.659983033647 42.8344422489469, 141.659661634338 42.8348356498847, 141.659292330476 42.8354068135297, 141.659266369927 42.8354835535283, 141.659261497251 42.8359746628076, 141.65912234835 42.8357497218971, 141.658858827006 42.8353237588216, 141.658178476989 42.8343808029872, 141.657816554669 42.8338234400068, 141.657600411943 42.8334915445838, 141.657203778637 42.8329026311472, 141.657963914373 42.8326323408769, 141.658536264538 42.832422827711)) ^^http://www.opengis.net/ont/geosparql#wktLiteral