Modeling and analyzing users’ behavioral strategies with co-evolutionary process

Yutaro Miura, Fujio Toriumi, Toshiharu Sugawara

Research output: Contribution to journalArticlepeer-review

Abstract

Social networking services (SNSs) are constantly used by a large number of people with various motivations and intentions depending on their social relationships and purposes, and thus, resulting in diverse strategies of posting/consuming content on SNSs. Therefore, it is important to understand the differences of the individual strategies depending on their network locations and surroundings. For this purpose, by using a game-theoretical model of users called agents and proposing a co-evolutionary algorithm called multiple-world genetic algorithm to evolve diverse strategy for each user, we investigated the differences in individual strategies and compared the results in artificial networks and those of the Facebook ego network. From our experiments, we found that agents did not select the free rider strategy, which means that just reading the articles and comments posted by other users, in the Facebook network, although this strategy is usually cost-effective and usually appeared in the artificial networks. We also found that the agents who mainly comment on posted articles/comments and rarely post their own articles appear in the Facebook network but do not appear in the connecting nearest-neighbor networks, although we think that this kind of user actually exists in real-world SNSs. Our experimental simulation also revealed that the number of friends was a crucial factor to identify users’ strategies on SNSs through the analysis of the impact of the differences in the reward for a comment on various ego networks.

Original languageEnglish
Article number11
JournalComputational Social Networks
Volume8
Issue number1
DOIs
Publication statusPublished - 2021 Dec

Keywords

  • Agent-based simulation
  • Co-evolution
  • Facebook
  • Public goods game
  • Social networking services

ASJC Scopus subject areas

  • Information Systems
  • Modelling and Simulation
  • Human-Computer Interaction
  • Computer Science Applications

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