*Vertices 3
1 "HistPhilosLogic" 0.0 0.0 0.0 x_fact 12.915129 y_fact 14.022140
2 "JSymbolicLogic" 0.0 0.0 0.0 x_fact 0.000000 y_fact 45.756458
3 "Synthese" 0.0 0.0 0.0 x_fact 15.867159 y_fact 40.221402
*Matrix 
0.000000 0.964944 0.703020 
0.964944 0.000000 0.508038 
0.703020 0.508038 0.000000