メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.903528497744 36.5588723864932, 139.90371685255 36.559841250887, 139.903456504836 36.5598612915297, 139.903105089277 36.559894340079, 139.902211546189 36.5599553312312, 139.902205086072 36.559915588367, 139.901734747483 36.5599598953805, 139.90124512789 36.5600060048078, 139.901170131907 36.5600147075479, 139.901122582091 36.5595341540684, 139.90107288194 36.5590518406521, 139.901014608086 36.5585626319712, 139.901962778783 36.5584886315824, 139.90328806714 36.5583867347228, 139.903459605802 36.5585024600002, 139.903528497744 36.5588723864932)) ^^http://www.opengis.net/ont/geosparql#wktLiteral