メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.631077775749 34.8008122233866, 134.632991147539 34.8008128649132, 134.632994044061 34.8013082538405, 134.633010127876 34.802512969976, 134.632264406767 34.802398179941, 134.632212571287 34.8023837991117, 134.631088796836 34.8020894942165, 134.629616101262 34.8017125020511, 134.629614177875 34.8016879979423, 134.629625732909 34.8008094388831, 134.631077775749 34.8008122233866)) ^^http://www.opengis.net/ont/geosparql#wktLiteral