メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.695772186638 35.06768483038, 136.695798990424 35.0678603173574, 136.695433798548 35.0679064248377, 136.695446575507 35.0680843864465, 136.69492671209 35.0681336316797, 136.694913059753 35.0678573619564, 136.694905062506 35.0676569775018, 136.694908267032 35.0676157605607, 136.695286319029 35.067596271834, 136.695312474279 35.0676955628505, 136.695573777421 35.0676663191588, 136.695561726951 35.067573848853, 136.695758438837 35.0675588487996, 136.695772186638 35.06768483038)) ^^http://www.opengis.net/ont/geosparql#wktLiteral