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Quantifying and Qualifying Trust: Spectral Decomposition of Trust Networks

  • Dusko Pavlovic
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6561)

Abstract

In a previous FAST paper, I presented a quantitative model of the process of trust building, and showed that trust is accumulated like wealth: the rich get richer. This explained the pervasive phenomenon of adverse selection of trust certificates, as well as the fragility of trust networks in general. But a simple explanation does not always suggest a simple solution. It turns out that it is impossible to alter the fragile distribution of trust without sacrificing some of its fundamental functions. A solution for the vulnerability of trust must thus be sought elsewhere, without tampering with its distribution. This observation was the starting point of the present paper. It explores different methods for securing trust: not by redistributing, but by qualifying it. The methods used to break privacy can be used to secure trust.

Keywords

Spectral Decomposition Adverse Selection Trust Rating Latent Semantic Analysis Trust Score 
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 Berlin Heidelberg 2011

Authors and Affiliations

  • Dusko Pavlovic
    • 1
  1. 1.Universities of Oxford and TwenteUK

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