*Vertices 4
1 "DataKnowlEng" 0.0 0.0 0.0 x_fact 3.347578 y_fact 8.155271
2 "ExpertSystAppl" 0.0 0.0 0.0 x_fact 0.249288 y_fact 73.504274
3 "IeeeTKnowlDataEn" 0.0 0.0 0.0 x_fact 10.220798 y_fact 15.740741
4 "InformSyst" 0.0 0.0 0.0 x_fact 2.350427 y_fact 2.599715
*Matrix 
0.000000 0.384032 0.701777 0.896147 
0.384032 0.000000 0.673202 0.723507 
0.701777 0.673202 0.000000 0.892194 
0.896147 0.723507 0.892194 0.000000