メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.230894689619 34.7152087221968, 135.230761303365 34.7154936699646, 135.23070552637 34.7156360633281, 135.230649505664 34.715755921618, 135.230604036015 34.715841896835, 135.230491166036 34.7160049941322, 135.230016642101 34.7157876295665, 135.230118012128 34.7155705289445, 135.230165622029 34.7154617200044, 135.230187265228 34.7154122607174, 135.230355182137 34.7150391653021, 135.230483013518 34.7147452441264, 135.23102534591 34.7149237944422, 135.230894689619 34.7152087221968)) ^^http://www.opengis.net/ont/geosparql#wktLiteral