digraph scientificEventLifecycle {
   node [ style="rounded" shape="rect" ]
   ce [label="Conference execution"]
   index[label="Indexing of Proceedings"]
   mop[label="Management of Proceedings"]
   mos [label="Management of Submissions" ]
   pea[label="Post-event activities" ]
 
   Inception-> Planning  [label="announce new event"] 
   Planning -> mos [label="call for papers"] 
   mos  ->ce [label="prepare event"] 
   ce  -> mop [label="follow up"] 
   ce -> Planning [label="announce next edition"] 
   mop ->index [label="publish proceedings"] 
  index -> pea [label="reference"]
}