メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.528438298655 35.8780232774334, 139.529403994106 35.878436737144, 139.528687613756 35.8796601955775, 139.527688630764 35.8792537921048, 139.527341156448 35.8791095747926, 139.527025390029 35.8788653406689, 139.526516580469 35.8783532238833, 139.525667881799 35.8775164790825, 139.525692423447 35.8775023533293, 139.52606857354 35.8772872097311, 139.526545374406 35.877009238433, 139.526554067922 35.8770041645588, 139.52734078368 35.8775186885623, 139.52747760671 35.8776008084981, 139.527664786796 35.8777054311232, 139.527773447293 35.8777594963869, 139.528438298655 35.8780232774334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral