メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.3570608752 43.1335111736923, 141.357173083415 43.1338781749724, 141.357297356685 43.1342542720996, 141.357421989763 43.1346122968765, 141.356740239703 43.1347345635629, 141.356116926719 43.1348463801753, 141.355881223711 43.1341101789928, 141.355835478373 43.1339673382462, 141.355631145274 43.133378929077, 141.356226111999 43.1332606333905, 141.356925856354 43.1331478628989, 141.3570608752 43.1335111736923)) ^^http://www.opengis.net/ont/geosparql#wktLiteral