How strong can an agent believe reported information ?

Authors:
Laurence Cholvy
Affiliations:
ONERA Centre de Toulouse, Toulouse, France
Venue:
ECSQARU'11 Proceedings of the 11th European conference on Symbolic and quantitative approaches to reasoning with uncertainty
Year:
2011

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Abstract

This paper aims at studying how an agent can believe a new piece of information when it is reported through different sources, each of them citing another one. Two models are presented, the first one in modal logic and the other one in the Theory of Evidence. They both consider important two properties of the information sources: their validity i.e their ability of reporting true information and their invalidity, i.e their ability of reporting false information.