メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.858597991675 37.4693311966353, 138.858640647439 37.4694363857164, 138.85881059202 37.4698561572375, 138.858963316709 37.4702437413353, 138.859039933301 37.4704894895369, 138.859463241325 37.4715266043399, 138.859830858248 37.4723944993186, 138.860091193679 37.4730523656915, 138.860139857282 37.4731889329452, 138.860473146085 37.4740459472171, 138.85808966903 37.4746491021311, 138.857405256423 37.474824069895, 138.85559998041 37.4752932930522, 138.855570361145 37.4748342329472, 138.855514526426 37.4731947875934, 138.855512842627 37.4731243918297, 138.855519073458 37.4727136610826, 138.855315994011 37.4714370761726, 138.855282257454 37.471224991232, 138.855158952762 37.4705338961148, 138.854950026414 37.4691380772708, 138.854880974621 37.4688392281101, 138.85629711841 37.468977726736, 138.857430879396 37.4690641249643, 138.858493212808 37.4690863829497, 138.858597991675 37.4693311966353)) ^^http://www.opengis.net/ont/geosparql#wktLiteral