University of Twente, NL

Book network:


Network statistics
Network size (books) 778 005
Edge type undirected
Number of edges (co-buying relationships) 16 182 063
Max degree 4 618
Size of largest SCC 777 792
Global clustering coefficient 0.151
Average local clustering coefficient 0.433
Global assortativity coefficient by degree -0.037
Degree power-law fit exponent 3.136



Data Files

Data Description
Graph igraph (.pickle), with vertex attributes incl. author gender (230 MB)
Network visualisations Plots (.pdf) wrt network degrees, book metadata, and structural communities (Louvain, modularity 0.86)

Read the graph from the .pickle file with:

import igraph
G =, format="pickle")