Incentive compatible influence maximization in social networks and application to viral marketing

  • Authors:
  • Mayur Mohite;Y. Narahari

  • Affiliations:
  • Indian Institute of Science Bangalore, India;Indian Institute of Science Bangalore, India

  • Venue:
  • The 10th International Conference on Autonomous Agents and Multiagent Systems - Volume 3
  • Year:
  • 2011

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Abstract

Information diffusion and influence maximization are important and extensively studied problems in social networks. Various models and algorithms have been proposed in the literature in the context of the influence maximization problem. A crucial assumption in all these studies is that the influence probabilities are known to the social planner. This assumption is unrealistic since the influence probabilities are usually private information of the individual agents and strategic agents may not reveal them truthfully. Moreover, the influence probabilities could vary significantly with the type of the information flowing in the network and the time at which the information is propagating in the network. In this paper, we use a mechanism design approach to elicit influence probabilities truthfully from the agents. Our main contribution is to design a scoring rule based mechanism in the context of the influencer-influencee model. In particular, we show the incentive compatibility of the mechanisms and propose a reverse weighted scoring rule based mechanism as an appropriate mechanism to use.