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Identifying buyers with similar seller rating models and using their opinions to choose sellers in electronic markets

Author

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  • Sandhya Beldona
  • Costas Tsatsoulis

Abstract

In this paper, we provide a model for designing buyers that can learn to identify trustworthy friends that are honest and share similar opinions in a decentralised electronic market. The buyer rates a seller after having purchased goods from it. It also evaluates friends who provide seller information when requested, to determine their truthfulness, similarity in opinions regarding product expectations, and to identify the differences between its own and its friends' seller rating mechanisms. Trustworthy friends are identified, and the seller ratings provided by them are adjusted to account for the differences in rating systems and then utilised to evaluate sellers. We conducted experiments to confirm that a buyer using the proposed model is able to accurately identify trustworthy friends, accurately adjust the seller reputation ratings provided by them and has higher gains than a buyer acting alone.

Suggested Citation

  • Sandhya Beldona & Costas Tsatsoulis, 2010. "Identifying buyers with similar seller rating models and using their opinions to choose sellers in electronic markets," International Journal of Information and Decision Sciences, Inderscience Enterprises Ltd, vol. 2(1), pages 1-16.
    • Handle: RePEc:ids:ijidsc:v:2:y:2010:i:1:p:1-16
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