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ECSCW 2007 pp 219-230 | Cite as

Bringing round-robin signature to computer-mediated communication

  • Takeshi Nishida
  • Takeo Igarashi

In computer-mediated group communication, anonymity enables participants to post controversial comments without risking accusations of improper behavior. While this may encourage more open and frank discussion, it diminishes accountability. In addition, anonymous comments are perceived as weaker than non-anonymous comments. We propose a communication protocol that allows a user to send a strong message to the group without having to assume sole individual responsibility. The system posts an anonymous comment, and then calls for supporters. When sufficient numbers of supporters have been gathered, the system reveals the names of all supporters as a round-robin signature. This prevents the originator from being identified. We describe the implementation of this protocol in a text-based chat system, and report our experience operating it at two technical conferences.

Keywords

Technical Conference Computer Support Cooperative Work Group Decision Support System Anonymous Communication Presentation Session 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London Limited 2007

Authors and Affiliations

  • Takeshi Nishida
    • 1
  • Takeo Igarashi
    • 1
  1. 1.The University of TokyoJapan

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