digraph scientificEventLifecycle {
   ce [label="Conference execution"]
   index[label="Indexing"]
   mop[label="Management of the Proceedings"]
   mos [label="Management of Submissions" ]
   pea[label="Post-event activities" ]
 
   Inception-> Planning  [label="announce"] 
   Planning -> mos [label="call For Paper"] 
   mos  ->ce [label="prepare"] 
   ce  -> mop [label="follow up"] 
   ce -> Planning [label="announce"] 
   mop ->index [label="publish"] 
  index -> pea [label="reference"]
}