*Vertices 5
1 "DigitSignalProcess" 0.0 0.0 0.0 x_fact 1.593840 y_fact 2.095272
2 "ExpertSystAppl" 0.0 0.0 0.0 x_fact 0.053725 y_fact 36.891117
3 "IeeeTAudioSpeech" 0.0 0.0 0.0 x_fact 1.325215 y_fact 4.226361
4 "IeeeTSignalProces" 0.0 0.0 0.0 x_fact 16.744269 y_fact 47.510745
5 "SignalProcess" 0.0 0.0 0.0 x_fact 5.479943 y_fact 9.276504
*Matrix 
0.000000 0.425879 0.441827 0.646383 0.858561 
0.425879 0.000000 0.000000 0.000000 0.000000 
0.441827 0.000000 0.000000 0.294014 0.379079 
0.646383 0.000000 0.294014 0.000000 0.851377 
0.858561 0.000000 0.379079 0.851377 0.000000