メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.206051257391 36.0854919039372, 136.206025792973 36.0857062420536, 136.205993475909 36.0861379039678, 136.205942633921 36.0866028142493, 136.205935338845 36.0866571440882, 136.205332755235 36.0866692778318, 136.204863114832 36.0868509912055, 136.204794972587 36.0868649349215, 136.204471144865 36.0868654836164, 136.203982552031 36.0868663098348, 136.204141296537 36.0851456802262, 136.204996366362 36.0851872093995, 136.206072968998 36.0852685160183, 136.206051257391 36.0854919039372)) ^^http://www.opengis.net/ont/geosparql#wktLiteral