A many valued representation and propagation of trust and distrust
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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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| Abstract | As the amount of information on the web gr … 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. lly challenging when distrust is involved. |
| Author | Martine De Cock +, and Paulo Pinheiro da Silva + |
| Bibtype | techreport + |
| Institution | Knowledge Systems, AI Laboratory + |
| Key | KSL-05-09 + |
| Note | Technical Report + |
| Number | KSL-05-09 + |
| Tag | Computer science + |
| Title | A Many Valued Representation and Propagation of Trust and Distrust + |
| Tr id | KSL-05-09 + |
| Year | 2005 + |
