メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.246569755073 34.716016110087, 135.246430741767 34.7162808341338, 135.246310087958 34.716477809791, 135.246181840869 34.7167289306529, 135.246042379218 34.7169530912944, 135.245535683323 34.716792371926, 135.245467207709 34.7167703484039, 135.244829095888 34.7165722985121, 135.245061134295 34.7160792574981, 135.24515425218 34.715859952599, 135.245284784708 34.7155682493866, 135.246117621063 34.7158527299733, 135.246569755073 34.716016110087)) ^^http://www.opengis.net/ont/geosparql#wktLiteral