メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.360933021177 43.111401212504, 141.360813452922 43.1120993850778, 141.359641023308 43.111925018593, 141.359157589868 43.1118531172436, 141.358892049822 43.111815116841, 141.359128838362 43.1109398041479, 141.359237838904 43.110546971646, 141.359453080286 43.1097125433185, 141.359701011474 43.1097529371576, 141.361250293323 43.1099842360567, 141.361217228528 43.1101064168158, 141.361138824515 43.1103963233951, 141.36104682349 43.110736688655, 141.360933021177 43.111401212504)) ^^http://www.opengis.net/ont/geosparql#wktLiteral