メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.385045072104 34.8154380367412, 137.384876256939 34.815342970749, 137.384759026851 34.8154839014707, 137.38463513052 34.8154135468766, 137.384757084456 34.8152596493179, 137.384480620487 34.8150706754019, 137.38426635111 34.8152806637986, 137.38404769585 34.8151034245479, 137.383891567028 34.8149236791319, 137.383310171777 34.8145973462553, 137.383418651654 34.8144805180303, 137.38407914904 34.8138470018599, 137.384612476012 34.8142646992953, 137.384320254354 34.814561879502, 137.38525170984 34.815164676825, 137.385045072104 34.8154380367412)) ^^http://www.opengis.net/ont/geosparql#wktLiteral