*Vertices 3
1 "模式识别与人工智能" 0.0 0.0 0.0 x_fact 10.059172 y_fact 15.680473
2 "计算机学报" 0.0 0.0 0.0 x_fact 8.284024 y_fact 32.248521
3 "计算机研究与发展" 0.0 0.0 0.0 x_fact 8.579882 y_fact 52.071006
*Matrix 
0.000000 0.776647 0.570814 
0.776647 0.000000 0.441436 
0.570814 0.441436 0.000000