A sybil-proof and time-sensitive incentive tree mechanism for crowdsourcing

Xiang Zhang, Guoliang Xue, Dejun Yang, Ruozhou Yu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations

Abstract

Crowdsourcing incentive mechanism design has raised numerous interests from research communities in recent years. While most research focuses on contribution-based payment allocation, a solid crowdsourcing incentive mechanism should encourage users to both devote efforts to complete the task and refer other users to join into participation. In this paper, we adopt a data structure called incentive tree which has a unique advantage in incentivizing participants for solicitation. Furthermore, we consider the crowdsourcing scenario where the contribution model is submodular and time-sensitive, which is more realistic compared to the linear summation model adopted by previous works. Under this model, we design a reward mechanism based on the incentive tree, and prove that this mechanism satisfies several economic properties such as continuing contribution incentive, continuing solicitation incentive, θ-reward proportional to contribution, early contribution incentive, and sybil-proofness. We implemented our incentive mechanism and conducted extensive performance evaluations. The evaluation results confirm our theoretical analysis.

Original languageEnglish (US)
Title of host publication2015 IEEE Global Communications Conference, GLOBECOM 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479959525
DOIs
StatePublished - 2015
Event58th IEEE Global Communications Conference, GLOBECOM 2015 - San Diego, United States
Duration: Dec 6 2015Dec 10 2015

Publication series

Name2015 IEEE Global Communications Conference, GLOBECOM 2015

Other

Other58th IEEE Global Communications Conference, GLOBECOM 2015
CountryUnited States
CitySan Diego
Period12/6/1512/10/15

Keywords

  • Crowdsourcing
  • Submodular Contribution
  • Sybil-proofness
  • Timesensitivity

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Communication

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