メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.227938060029 36.0881768625023, 136.226432937984 36.0879835038509, 136.226361465318 36.0887862957101, 136.225637839084 36.088793632896, 136.225268681056 36.0888182752671, 136.225010110307 36.088782807328, 136.224951033808 36.0887769317891, 136.224509248443 36.0887969254513, 136.224494236529 36.0883024981202, 136.22448828825 36.0878080468159, 136.225466289232 36.0877766649781, 136.225704925208 36.0877602301827, 136.226000133168 36.0877027704322, 136.227023975794 36.0874567737178, 136.227665931511 36.087293850136, 136.227938060029 36.0881768625023)) ^^http://www.opengis.net/ont/geosparql#wktLiteral