メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.874245100205 34.0019087581814, 131.874680336471 34.0021323825072, 131.875006664371 34.0022999585855, 131.87470229695 34.0026956636793, 131.874341454595 34.0031646314174, 131.874064164648 34.0035225048086, 131.873656172954 34.0040313695584, 131.873330516999 34.0043034719829, 131.872830924552 34.0040330568327, 131.872414278885 34.0038074968278, 131.871959842572 34.0035615542488, 131.87278321824 34.002471027791, 131.873173828792 34.0019415577838, 131.873485927442 34.0015185440567, 131.874245100205 34.0019087581814)) ^^http://www.opengis.net/ont/geosparql#wktLiteral