メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.153799403881 35.0895474427519, 137.153912524297 35.0902998959361, 137.153968014764 35.0906706297083, 137.153969031026 35.0906786582667, 137.154194187941 35.0919859506554, 137.153094128691 35.0921625715801, 137.153092501746 35.0921085530448, 137.152895890846 35.0912977728571, 137.152801089005 35.0908592827777, 137.152704683671 35.0904871345806, 137.152552071845 35.0897617176477, 137.152361714825 35.0889169205951, 137.152314434538 35.0886422497985, 137.152862584802 35.0885531679039, 137.153039853231 35.088524387605, 137.153484169443 35.0884747290446, 137.153592335029 35.0891706304991, 137.153740322304 35.0891756509476, 137.153799403881 35.0895474427519)) ^^http://www.opengis.net/ont/geosparql#wktLiteral