*Vertices 4
1 "中国水稻科学" 0.0 0.0 0.0 x_fact 9.941520 y_fact 29.044834
2 "沈阳农业大学学报" 0.0 0.0 0.0 x_fact 14.035088 y_fact 19.493177
3 "作物学报" 0.0 0.0 0.0 x_fact 11.306043 y_fact 43.469786
4 "辽宁农业科学" 0.0 0.0 0.0 x_fact 4.483431 y_fact 7.992203
*Matrix 
0.000000 0.614365 0.680542 0.316931 
0.614365 0.000000 0.717779 0.865430 
0.680542 0.717779 0.000000 0.354149 
0.316931 0.865430 0.354149 0.000000