Structural and Dynamical Patterns on Online Social Networks: The Spanish May 15th Movement as a Case Study
The increase in the strength of the selected nodes (cyan curves) markedly changes after day . The logarithmic derivative provides a finer interpretation in terms of the bursts in popularity. democraciareal (upper-left) had been an active agent long time before , seemingly the movement was gathering strength (note some remarkable increments between and ). A newer user in the social network (acampadasol; lower-right) emerges and quickly takes over from onwards as the reference of the whole movement. On the other hand, two right- and left-wing newspapers, El Mundo and El País respectively, undertake similar changes, which indicates that a large sets of nodes identified them as relevant actants in the context of protests. Note, however, that this does not imply that the same nodes are active senders too. As a matter of fact, they are not.