メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.152552071845 35.0897617176477, 137.152704683671 35.0904871345806, 137.152801089005 35.0908592827777, 137.152895890846 35.0912977728571, 137.151743937624 35.0914816291935, 137.151644011502 35.0910352497052, 137.151559182462 35.0906563405462, 137.151403219435 35.0899364864857, 137.151309789191 35.0894899661117, 137.151144080608 35.089391554752, 137.15105876241 35.0893186491596, 137.150983307039 35.0891891918292, 137.15096726506 35.0891325666556, 137.152361714825 35.0889169205951, 137.152552071845 35.0897617176477)) ^^http://www.opengis.net/ont/geosparql#wktLiteral