Hub-Authority Cores and Attributed Directed Network Mining
Henry Soldano, Guillaume Santini, Dominique Bouthinon, Emmanuel Lazega · 2017
We first define and experiment the hub-authority core (or HA-core) of a directed network. It depends on two a and h parameters expressing requirements on hub and authority degrees which have to be fulfilled within the core. The definition of these interrelated degrees is inspired by the standard definition of hub and authorities centrality scores (HITS). We investigate the HA-cores on citation networks and discuss how they relates to these scores. We discuss then how the methodology of ab- stract closed pattern mining, previously defined on non-directed attributed networks, may be applied to directed networks using hub-authority cores. We use these cores to investigate a well known attributed network representing the advice exchanges within a law firm.