*Vertices 4
1 "AcmTDatabaseSyst" 0.0 0.0 0.0 x_fact 7.565012 y_fact 15.130024
2 "DistribParallelDat" 0.0 0.0 0.0 x_fact 17.494090 y_fact 19.858156
3 "SigmodRec" 0.0 0.0 0.0 x_fact 5.673759 y_fact 8.747045
4 "VldbJ" 0.0 0.0 0.0 x_fact 25.059102 y_fact 56.264775
*Matrix 
0.000000 0.686023 0.684209 0.767175 
0.686023 0.000000 0.898823 0.977122 
0.684209 0.898823 0.000000 0.951237 
0.767175 0.977122 0.951237 0.000000