メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.287751529842 43.0988665150235, 141.288476613292 43.099485590866, 141.287739907025 43.0999527136489, 141.286424677741 43.1007553560412, 141.285809991681 43.1011326990564, 141.28562527333 43.1009652379299, 141.284770488524 43.1001903971113, 141.284416720401 43.0998729746197, 141.285014595941 43.0994963417125, 141.285474285743 43.0992223463293, 141.285608149099 43.0991316950931, 141.285692384368 43.0990845810537, 141.285954506674 43.098917929299, 141.286317183687 43.0986976184573, 141.287057408013 43.0982384813413, 141.287751529842 43.0988665150235)) ^^http://www.opengis.net/ont/geosparql#wktLiteral