メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.948811403099 35.0206963932306, 136.949778881324 35.0204298753863, 136.950010003379 35.020364018297, 136.950073229231 35.0203460309867, 136.950340524024 35.0203531993911, 136.950343964362 35.0204373658175, 136.950372732114 35.0207721544354, 136.950008788335 35.0208289718585, 136.949913007216 35.0208477446189, 136.94961350235 35.0209463686674, 136.948748207591 35.0212474379617, 136.948632285896 35.021062922358, 136.948577532838 35.0209918338508, 136.948734126553 35.0207176638378, 136.948811403099 35.0206963932306)) ^^http://www.opengis.net/ont/geosparql#wktLiteral