メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.820139065178 36.9115045562494, 136.819502783532 36.914676368805, 136.819331475903 36.9156032074629, 136.813399836193 36.9157880786982, 136.813230648964 36.9129845036749, 136.812257897348 36.9130245441029, 136.812390104171 36.9102891763717, 136.812429066102 36.9096977728883, 136.814408597959 36.9096526283245, 136.8146949079 36.9096296829374, 136.815294209531 36.9095152267645, 136.815584493615 36.909347050826, 136.816367089922 36.9094338486509, 136.817399894008 36.9094844874578, 136.818314520747 36.9094765485674, 136.81994895797 36.9094336060261, 136.820024591709 36.9101338394633, 136.820139065178 36.9115045562494)) ^^http://www.opengis.net/ont/geosparql#wktLiteral