メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.826464476786 35.2352008119133, 136.825352655363 35.2351198067519, 136.824577858758 35.2350491762305, 136.823966541334 35.2350525253253, 136.823952654267 35.2340756968535, 136.823947896258 35.2332135456678, 136.823939675784 35.2325977296817, 136.823941950554 35.2320577908787, 136.823932923087 35.2316390208317, 136.823928794199 35.2311926572092, 136.823914763069 35.230667673084, 136.823901986091 35.2300945909475, 136.825034127065 35.2300876375365, 136.826467095947 35.2300647555997, 136.826451000788 35.2305682457368, 136.826433697693 35.2312013145957, 136.826403187813 35.2321240729139, 136.826421570029 35.2340905188462, 136.826464476786 35.2352008119133)) ^^http://www.opengis.net/ont/geosparql#wktLiteral