Research Article

The Core Might Change Anyhow We Define It: The Instability of Key Actors in Longitudinal Social Network Data

Figure 5

The empirical mean of the Jaccard similarity values of the top influencers computed between the advice-seeking and the friendship networks. The variance is between 0.0142 and 0.0462. iDg: in-degree, pg: PageRank, 2Nbh: two-hop neighbourhood, core: coreness, eign: eigenvector centrality, Bca: Borda count aggregation, cl: closeness, and btw: betweenness.