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Title

Cognitive network structure: an experimental study

AuthorsGuazzini, Andrea; Vilone, Daniele ; Bagnoli, Franco; Carletti, Timoteo; Lauro Grotto, Rosapia
KeywordsSocial systems
Experimental sociophysics
Issue Date2012
PublisherWorld Scientific Publishing
CitationAdvances in Complex Systems 15: 1250084 (2012)
AbstractIn this paper we present first experimental results about a small group of people exchanging private and public messages in a virtual community. Our goal is the study of the cognitive network that emerges during a chat seance. We used the Derrida coefficient and the triangle structure under the working assumption that moods and perceived mutual affinity can produce results complementary to a full semantic analysis. The most outstanding outcome is the difference between the network obtained considering publicly exchanged messages and the one considering only privately exchanged messages: in the former case, the network is very homogeneous, in the sense that each individual interacts in the same way with all the participants, whilst in the latter the interactions among different agents are very heterogeneous, and are based on "the enemy of my enemy is my friend" strategy. Finally a recent characterization of the triangular cliques has been considered in order to describe the intimate structure of the network. Experimental results confirm recent theoretical studies indicating that certain 3-vertex structures can be used as indicators for the network aging and some relevant dynamical features.
Publisher version (URL)http://dx.doi.org/10.1142/S0219525912500841
URIhttp://hdl.handle.net/10261/54861
DOI10.1142/S0219525912500841
ISSN0219-5259
E-ISSN1793-6802
Appears in Collections:(IFISC) Artículos
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