*Vertices 4
1 "AcmSigplanNotices" 0.0 0.0 0.0 x_fact 16.457286 y_fact 28.517588
2 "CommunAcm" 0.0 0.0 0.0 x_fact 1.005025 y_fact 24.874372
3 "IeeeTSoftwareEng" 0.0 0.0 0.0 x_fact 7.788945 y_fact 32.788945
4 "SoftwarePractExper" 0.0 0.0 0.0 x_fact 10.175879 y_fact 13.819095
*Matrix 
0.000000 0.623190 0.362550 0.831764 
0.623190 0.000000 0.265439 0.563348 
0.362550 0.265439 0.000000 0.670044 
0.831764 0.563348 0.670044 0.000000