The "Small-World" Characteristic of Author Co-Words Network

The co-words network of the author key words is a knowledge network mapped according to the co-occurrence phenomenon of key words in a number of papers. It reflects the relation among multiple vocabulary conceptions and also represents the structure of scientific research. With the social network analysis technology, the structural analysis of co-words network shows that the average distance is 2.814 and the clustering coefficient is 0.735, demonstrating the obvious existence of small-world characteristic.