メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.417856024729 43.00587737734, 144.418495368512 43.0073362484044, 144.418997017237 43.0084597983589, 144.41921549065 43.0089273476363, 144.418405949212 43.009128773078, 144.41839954622 43.0091156731635, 144.418186967507 43.008679376071, 144.418174727256 43.008658298421, 144.417793659935 43.0078074437288, 144.417012749333 43.0060613553034, 144.416599295222 43.0051442259608, 144.41795182303 43.003928109947, 144.419202265155 43.0055329401909, 144.417856024729 43.00587737734)) ^^http://www.opengis.net/ont/geosparql#wktLiteral