Friends for Free: Self-Organizing Artificial Social Networks for Trust and Cooperation

Authors David Hales, Stefano Arteconi

Thumbnail PDF


  • Filesize: 362 kB
  • 20 pages

Document Identifiers

Author Details

David Hales
Stefano Arteconi

Cite AsGet BibTex

David Hales and Stefano Arteconi. Friends for Free: Self-Organizing Artificial Social Networks for Trust and Cooperation. In Algorithmic Aspects of Large and Complex Networks. Dagstuhl Seminar Proceedings, Volume 5361, pp. 1-20, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2006)


By harvesting friendship networks from e-mail contacts or instant message "buddy lists" Peer-to-Peer (P2P) applications can improve performance in low trust environments such as the Internet. However, natural social networks are not always suitable, reliable or available. We propose an algorithm (SLACER) that allows peer nodes to create and manage their own friendship networks. We evaluate performance using a canonical test application, requiring cooperation between peers for socially optimal outcomes. The Artificial Social Networks (ASN) produced are connected, cooperative and robust - possessing many of the disable properties of human friendship networks such as trust between friends (directly linked peers) and short paths linking everyone via a chain of friends. In addition to new application possibilities, SLACER could supply ASN to P2P applications that currently depend on human social networks thus transforming them into fully autonomous, self-managing systems.
  • Evolution of cooperation
  • Evolving Networks
  • P2P
  • Prisoner's Dilemma
  • Tags


  • Access Statistics
  • Total Accesses (updated on a weekly basis)
    PDF Downloads
Questions / Remarks / Feedback

Feedback for Dagstuhl Publishing

Thanks for your feedback!

Feedback submitted

Could not send message

Please try again later or send an E-mail