*Vertices 4
1 "AcmTProgrLangSys" 0.0 0.0 0.0 x_fact 0.906977 y_fact 1.148837
2 "CommunAcm" 0.0 0.0 0.0 x_fact 0.041860 y_fact 0.706977
3 "LectNotesComputSc" 0.0 0.0 0.0 x_fact 13.511628 y_fact 97.255814
4 "SciComputProgram" 0.0 0.0 0.0 x_fact 0.837209 y_fact 0.888372
*Matrix 
0.000000 0.000000 0.964585 0.987947 
0.000000 0.000000 0.000000 0.225924 
0.964585 0.000000 0.000000 0.988268 
0.987947 0.225924 0.988268 0.000000