*Vertices 4
1 "CommunAcm" 0.0 0.0 0.0 x_fact 0.017416 y_fact 0.631313
2 "ConcurrCompPractE" 0.0 0.0 0.0 x_fact 0.687914 y_fact 0.814176
3 "FutureGenerCompSy" 0.0 0.0 0.0 x_fact 0.709683 y_fact 0.853361
4 "LectNotesComputSc" 0.0 0.0 0.0 x_fact 9.574190 y_fact 97.701149
*Matrix 
0.000000 0.300630 0.259974 0.000000 
0.300630 0.000000 0.986123 0.947607 
0.259974 0.986123 0.000000 0.925526 
0.000000 0.947607 0.925526 0.000000