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Aggregating partial, local evaluations to achieve global ranking

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  • Laureti, Paolo
  • Moret, Lionel
  • Zhang, Yi-Cheng

Abstract

We analyze some voting models mimicking online evaluation systems intended to reduce the information overload. The minimum number of operations needed for a system to be effective is analytically estimated. When herding effects are present, linear preferential attachment marks a transition between trustful and biased reputations.

Suggested Citation

  • Laureti, Paolo & Moret, Lionel & Zhang, Yi-Cheng, 2005. "Aggregating partial, local evaluations to achieve global ranking," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 345(3), pages 705-712.
    • Handle: RePEc:eee:phsmap:v:345:y:2005:i:3:p:705-712
    DOI: 10.1016/j.physa.2004.08.012
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    References listed on IDEAS

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    1. Barabási, Albert-László & Albert, Réka & Jeong, Hawoong, 2000. "Scale-free characteristics of random networks: the topology of the world-wide web," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 281(1), pages 69-77.
    2. Laureti, Paolo & Mathiesen, Joachim & Zhang, Yi-Cheng, 2004. "Selection by pairwise comparisons with limited resources," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 338(3), pages 596-604.
    3. Bianconi, G. & Laureti, P. & Yu, Y.-K. & Zhang, Y.-C., 2004. "Ecology of active and passive players and their impact on information selection," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 332(C), pages 519-532.
    4. Paolo Laureti & Frantisek Slanina & Yi-Kuo Yu & Yi-Cheng Zhang, 2002. "Buyer feedback as a filtering mechanism for reputable sellers," Papers physics/0207020, arXiv.org.
    5. Paolo Laureti & Joachim Mathiesen & Yi-Cheng Zhang, 2004. "Selection by pairwise comparisons with limited resources," Game Theory and Information 0406003, University Library of Munich, Germany.
    6. Laureti, Paolo & Slanina, František & Yu, Yi-Kuo & Zhang, Yi-Cheng, 2002. "Buyer feedback as a filtering mechanism for reputable sellers," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 316(1), pages 413-429.
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