メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.366753278133 43.0621161268375, 141.366624505681 43.06262101547, 141.366582730329 43.0627849121296, 141.366477944572 43.0631956029986, 141.366409739711 43.0634633142106, 141.366264291511 43.06403354933, 141.366143364898 43.0640183389862, 141.3657576388 43.0639660204234, 141.365457265757 43.0639252771825, 141.364813351048 43.0638379325261, 141.365073102175 43.062790551524, 141.36497269565 43.0626626190331, 141.364983303808 43.0625718355064, 141.365035956992 43.0623587913509, 141.365099865635 43.0619432152456, 141.365907240178 43.0620266764132, 141.365973607772 43.0620336589296, 141.366753278133 43.0621161268375)) ^^http://www.opengis.net/ont/geosparql#wktLiteral