メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.793528829866 34.065493663386, 131.794047905889 34.0661220028351, 131.793122150296 34.0664629246604, 131.791658323644 34.0670020998607, 131.791207205505 34.0671761108409, 131.789939652804 34.067665207892, 131.789828311184 34.067449398858, 131.789653676926 34.0671403881236, 131.789500974854 34.0668701851084, 131.789425682204 34.0667612538726, 131.789705959348 34.066601515076, 131.790279231275 34.0662691158873, 131.791036713704 34.0658002048203, 131.791738774145 34.0654126889501, 131.792326972584 34.0650880752008, 131.792887041518 34.0647788699939, 131.793528829866 34.065493663386)) ^^http://www.opengis.net/ont/geosparql#wktLiteral