“…Pardus: [63,[419][420][421][422] Netflix: [423,424] Flickr: [66,88,425] Facebook: [68,[426][427][428] Youtube: [429] Other online communities: [54,89,430] Merging multiple communities: [122,123,431,432] Internet [109,110,433] Citation networks DBLP: [31,33,[434][435][436][437][438][439] Other social networks Scottish Community Alliance: [440] Politics: [68,441] Terrorism: [23] Bible: [442] Mobile communication: [443] Technical After this first attempt, White et al proposed an extension of the classical work by Nadel and Fortes [464] to perform a quantitative analysis of multilayer social networks [465]. A simple three-layer structure is considered, where nodes represent biomedical researchers specialized in the neural control of food and water intake; the three layers respectively represent the existence of a bidirectional personal tie, an unidirectional awareness, and the absence of awareness [466].…”