Fig. 10From: Non-backtracking cycles: length spectrum theory and graph mining applicationsHierarchical clustering of real networks. Dendrogram showing hierarchical clustering (average linkage) of all real networks in our data sets. twitter is an outlier because, we hypothesize, it has more than twice as many edges (1.3M) as the second largest graph in our data sets (sdot9 with 581k edges)Back to article page