Add a centrality metric to the graph, and categories. 
Add a centrality metric to the graph, and categories. 
gazeti/aleph,alephdata/aleph,Luthien123/aleph,Luthien123/aleph,pudo/aleph,mgax/aleph,alephdata/aleph,alephdata/aleph,OpenGazettes/aleph,gazeti/aleph,pudo/aleph,smmbllsm/aleph,OpenGazettes/aleph,nightsh/aleph,mgax/aleph,alephdata/aleph,Luthien123/aleph,smmbllsm/aleph,OpenGazettes/aleph,pudo/aleph,gazeti/aleph,OpenGazettes/aleph,smmbllsm/aleph,nightsh/aleph,nightsh/aleph,mgax/aleph,gazeti/aleph,alephdata/aleph