メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.991329692899 34.9098045104037, 136.991215445257 34.910246705451, 136.990962995037 34.9119629610942, 136.990862089653 34.9119262637179, 136.990545119501 34.91155648194, 136.990098445518 34.9113803303446, 136.989741557647 34.9112479018536, 136.989539732689 34.9111786594609, 136.98926891695 34.9111174163772, 136.98898208807 34.9110571355939, 136.98913098003 34.909974867331, 136.990194097763 34.9098475948531, 136.990780101679 34.9097883657457, 136.991346602926 34.9097525579258, 136.991329692899 34.9098045104037)) ^^http://www.opengis.net/ont/geosparql#wktLiteral