メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.936960582428 35.1791606629646, 136.936960639266 35.1791630571659, 136.936970607574 35.179674755799, 136.936934579381 35.1796300397258, 136.936942157996 35.1801445505417, 136.936961229466 35.1809447825847, 136.936671630477 35.180999011389, 136.93582956169 35.1811279438341, 136.935761246082 35.1807373982007, 136.935693852457 35.1803915010229, 136.935626874979 35.180065674992, 136.935570442973 35.1798538804393, 136.935548205178 35.1797042630675, 136.935526304661 35.1796095047539, 136.935494046227 35.1794700798107, 136.935420818139 35.1792226201063, 136.935346791856 35.1788283311591, 136.936042231626 35.1787170016193, 136.936744829133 35.1786285686447, 136.936739277461 35.1786053192405, 136.936884818244 35.1785834158722, 136.936959890057 35.1791251693997, 136.936960582428 35.1791606629646)) ^^http://www.opengis.net/ont/geosparql#wktLiteral