*Vertices 4
1 "AcmComputSurv" 0.0 0.0 0.0 x_fact 14.344262 y_fact 15.163934
2 "AcmSigplanNotices" 0.0 0.0 0.0 x_fact 0.000000 y_fact 34.836066
3 "DataKnowlEng" 0.0 0.0 0.0 x_fact 0.409836 y_fact 13.524590
4 "PatternRecognLett" 0.0 0.0 0.0 x_fact 2.663934 y_fact 36.475410
*Matrix 
0.000000 0.614713 0.568332 0.583696 
0.614713 0.000000 0.000000 0.000000 
0.568332 0.000000 0.000000 0.000000 
0.583696 0.000000 0.000000 0.000000