メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.333051340906 43.0710338649971, 141.331756607495 43.0715899717979, 141.331519131026 43.0717023484292, 141.331206555498 43.0718407383835, 141.330625462939 43.0720980087481, 141.330133538714 43.0723085544092, 141.329683986087 43.0725081162771, 141.329595135439 43.072547699755, 141.329644988799 43.0716074477533, 141.329645419982 43.0715401458157, 141.330652490789 43.071124166653, 141.330670570576 43.0711168574144, 141.331181289594 43.0709103980987, 141.331739277315 43.0706818118583, 141.332377230938 43.0704234116482, 141.332522366972 43.0703659225184, 141.332846672316 43.0702394717383, 141.333077029109 43.0701474304944, 141.333517828204 43.0699733845504, 141.33431793179 43.0696474212866, 141.334640341642 43.0695123699774, 141.334225497046 43.0699474791849, 141.334024861851 43.0701310482455, 141.333051340906 43.0710338649971)) ^^http://www.opengis.net/ont/geosparql#wktLiteral