メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.57607219234 34.2084320581616, 135.576861965346 34.2087108926735, 135.577436142472 34.2105599610756, 135.577444116525 34.210857223772, 135.577367834194 34.21121110845, 135.577413840149 34.2121979271048, 135.577188873197 34.2122308194405, 135.577128879251 34.2120452254078, 135.576801120077 34.2120683248116, 135.576875290437 34.2123013008811, 135.575530746096 34.2125068360474, 135.575191843662 34.2112726152445, 135.574251472437 34.2074998058241, 135.57607219234 34.2084320581616)) ^^http://www.opengis.net/ont/geosparql#wktLiteral