SubjectPredicateObjectGraph
POLYGON((4.886501345666 52.323 ...... 886501345666 52.323916562262))
POLYGON((5.9153532661536 51.97 ...... 153532661536 51.974370516649))
POLYGON((5.9259821892608 52.96 ...... 259821892608 52.960160747093))
POLYGON((5.8344746722841 51.82 ...... 344746722841 51.824293948682))