メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.718922768091 35.1270512228486, 136.718207827627 35.1274225786216, 136.717690077882 35.1276628318937, 136.717563430172 35.1274303729923, 136.717109294497 35.126873358458, 136.716836188646 35.1266582374641, 136.716686203251 35.126499919687, 136.716481200743 35.1261619502848, 136.71667468003 35.126105491383, 136.716814330282 35.1259562904641, 136.716757077302 35.1257466293753, 136.718500084287 35.1254339234016, 136.718922768091 35.1270512228486)) ^^http://www.opengis.net/ont/geosparql#wktLiteral