*Vertices 4
1 "AcmTDatabaseSyst" 0.0 0.0 0.0 x_fact 4.324324 y_fact 6.846847
2 "CommunAcm" 0.0 0.0 0.0 x_fact 0.540541 y_fact 26.306306
3 "IeeeTKnowlDataEn" 0.0 0.0 0.0 x_fact 24.504505 y_fact 40.540541
4 "MachLearn" 0.0 0.0 0.0 x_fact 1.981982 y_fact 26.306306
*Matrix 
0.000000 0.233444 0.913170 0.000000 
0.233444 0.000000 0.353094 0.000000 
0.913170 0.353094 0.000000 0.454693 
0.000000 0.000000 0.454693 0.000000