メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.019826992657 35.3301093806929, 136.019708812001 35.3301360919713, 136.019348356513 35.3302177738573, 136.019394720559 35.330365234348, 136.01942257699 35.3305226992712, 136.019351410174 35.3305381336252, 136.018793296045 35.3306590730504, 136.018192384105 35.3286837611687, 136.018136571012 35.3284962030858, 136.018504561896 35.3284249416273, 136.019605160875 35.3282045914498, 136.019662463 35.3284117565143, 136.019897157654 35.3292601910718, 136.019752038348 35.3292884555718, 136.019591386065 35.3293197512986, 136.019621567537 35.3295003844482, 136.019826992657 35.3301093806929)) ^^http://www.opengis.net/ont/geosparql#wktLiteral