*Vertices 4
1 "AcmSigplanNotices" 0.0 0.0 0.0 x_fact 38.235294 y_fact 51.680672
2 "AcmTProgrLangSys" 0.0 0.0 0.0 x_fact 5.322129 y_fact 10.924370
3 "CommunAcm" 0.0 0.0 0.0 x_fact 1.400560 y_fact 28.011204
4 "JFunctProgram" 0.0 0.0 0.0 x_fact 3.221289 y_fact 9.383754
*Matrix 
0.000000 0.927369 0.458803 0.649254 
0.927369 0.000000 0.351630 0.483810 
0.458803 0.351630 0.000000 0.000000 
0.649254 0.483810 0.000000 0.000000