*Vertices 7
1 "ArsCombinatoria" 0.0 0.0 0.0 x_fact 5.691295 y_fact 6.861741
2 "DiscreteApplMath" 0.0 0.0 0.0 x_fact 8.397952 y_fact 13.884418
3 "DiscreteMath" 0.0 0.0 0.0 x_fact 24.418435 y_fact 44.959766
4 "JCombTheoryA" 0.0 0.0 0.0 x_fact 1.243599 y_fact 2.896854
5 "JCombTheoryB" 0.0 0.0 0.0 x_fact 2.062911 y_fact 4.374543
6 "JGraphTheor" 0.0 0.0 0.0 x_fact 3.321141 y_fact 4.652524
7 "LinearAlgebraAppl" 0.0 0.0 0.0 x_fact 2.106803 y_fact 22.370154
*Matrix 
0.000000 0.720095 0.953482 0.501418 0.545421 0.825378 0.218059 
0.720095 0.000000 0.771964 0.365039 0.483767 0.692560 0.000000 
0.953482 0.771964 0.000000 0.539365 0.694454 0.922714 0.000000 
0.501418 0.365039 0.539365 0.000000 0.298577 0.389491 0.000000 
0.545421 0.483767 0.694454 0.298577 0.000000 0.820673 0.000000 
0.825378 0.692560 0.922714 0.389491 0.820673 0.000000 0.000000 
0.218059 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000