Opinion formation in the social web: agent-based simulations of opinion convergence and divergence

  • Authors:
  • Pawel Sobkowicz;Michael Kaschesky;Guillaume Bouchard

  • Affiliations:
  • Bern University of Applied Sciences, Bern, Switzerland;Bern University of Applied Sciences, Bern, Switzerland;Xerox Research Center Europe, Meylan, France

  • Venue:
  • ADMI'11 Proceedings of the 7th international conference on Agents and Data Mining Interaction
  • Year:
  • 2011

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Abstract

Recent research on opinion formation in the social web --- particularly blogs, comments, and reviews --- investigates opinion dynamics but reaches opposite conclusions whether consensus formation occurs or not. To address this issue, a model of consensus formation is described that takes into account not only factors leading to convergence of opinions, but also those that strengthen their divergence. Nonlinear interplay between these tendencies might lead to interesting results, and decoupling the technical basis of the interactions (e.g. network dynamics) from the human perspective of opinions and sympathies (e.g. social dynamics) is at the core of such an approach. The model presented here combines the features of epidemic diffusion and cascading models of opinions with simulations including presence of large part of society which remains neutral with respect to the issue at question. The presence of such neutral community changes significantly the topology of resulting social network and dynamics of majority opinion acceptance.