A many valued representation and propagation of trust and distrust

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Reference:

1. Martine De Cock, Paulo Pinheiro da Silva. A Many Valued Representation and Propagation of Trust and Distrust , Knowledge Systems, AI Laboratory (KSL-05-09), 2005

bibtex

@techreport { KSL-05-09 ,
  author = "Martine De Cock, Paulo Pinheiro da Silva", 
institution = "Knowledge Systems, AI Laboratory", 
note = "Technical Report", 
number = "KSL-05-09", 
title = "A Many Valued Representation and Propagation of Trust and Distrust", 
year = "2005", 
} 

abstract: As the amount of information on the web grows, users may find increasing challenges in trusting and sometimes distrusting sources. One possible aid is to maintain a network of trust between sources. In this paper, we propose to model such a network as an intuitionistic fuzzy relation. This allows to elegantly handle together the problem of ignorance, i.e. not knowing whether to trust or not, and vagueness, i.e. trust as a matter of degree. We pay special attention to deriving trust information through a trusted third party, which becomes especially challenging when distrust is involved.

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