メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.389663171906 44.1792990849593, 142.387829533568 44.1790166935662, 142.38736008573 44.1789443892314, 142.387597683941 44.1781545576477, 142.387720012446 44.1777478944721, 142.389676572147 44.17802887337, 142.389715673842 44.1782329013666, 142.389741717982 44.178507015894, 142.389752875949 44.1787522136992, 142.389736483108 44.1789715325572, 142.38970727949 44.1791512971917, 142.389663171906 44.1792990849593)) ^^http://www.opengis.net/ont/geosparql#wktLiteral