メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.253528251705 43.051990484542, 141.253975580934 43.052105703246, 141.253701205719 43.0534207834439, 141.253654256246 43.0536876866403, 141.253574372767 43.0541418158078, 141.253530508896 43.0543911718234, 141.253426355321 43.0549654851942, 141.253353630192 43.0553283815893, 141.253351130542 43.0553405972645, 141.252894870972 43.0553015316312, 141.252847109304 43.0552957010879, 141.252502058323 43.0552711051426, 141.252417525569 43.0552676259994, 141.251966052531 43.0552233250153, 141.251481682626 43.0551732487583, 141.251573826033 43.0547077730879, 141.251677462863 43.0540954107741, 141.251741493061 43.0537724570464, 141.251749751022 43.0537185868275, 141.25182629275 43.0533041747732, 141.252051184649 43.0521335472498, 141.252052233858 43.0520688546577, 141.252391624197 43.0517671489054, 141.253528251705 43.051990484542)) ^^http://www.opengis.net/ont/geosparql#wktLiteral