EcoRare: An Economic Incentive Scheme for Efficient Rare Data Accessibility in Mobile-P2P Networks

  • Authors:
  • Anirban Mondal;Sanjay Kumar Madria;Masaru Kitsuregawa

  • Affiliations:
  • Institute of Industrial Science, University of Tokyo, Japan;Department of Computer Science, University of Missouri-Rolla, USA;Institute of Industrial Science, University of Tokyo, Japan

  • Venue:
  • DEXA '08 Proceedings of the 19th international conference on Database and Expert Systems Applications
  • Year:
  • 2008

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Abstract

We propose EcoRare, a novel economic incentive scheme for improving the availability of rare datain Mobile-P2P networks. EcoRare combats free-riding and effectively involves free-riders to improve the availability (and lifetimes) of rare data. EcoRare also facilitates the creation of multiple copies of rare items in the network since its novel selling mechanism allows a given data to have multiple owners. Our performance study demonstrates that EcoRare indeed improves query response times and availability of rare data items in Mobile-P2P networks.