メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.765382158939 33.2363938878278, 131.766515776941 33.236810238081, 131.7668068085 33.237654703028, 131.766930459463 33.2379821085616, 131.767041223238 33.2383310284035, 131.766964390611 33.2384027914312, 131.766536875068 33.2384426182554, 131.765884238335 33.2384776461236, 131.76522020854 33.2384755113395, 131.76458539365 33.2384298166464, 131.764011230178 33.2383697992116, 131.764038923626 33.2377941807739, 131.764069027422 33.2371682508432, 131.764107344304 33.2365610963037, 131.764146476197 33.2359415210834, 131.765382158939 33.2363938878278)) ^^http://www.opengis.net/ont/geosparql#wktLiteral