Credibility-limited Base Revision: New Classes and Their Characterizations | Zendy

Marco Garapa | Zendy; Eduardo Fermé | Zendy; Maurício D. L. Reis | Zendy

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Credibility-limited Base Revision: New Classes and Their Characterizations

Author(s) -

Marco Garapa,

Eduardo Fermé,

Maurício D. L. Reis

Publication year - 2020

Publication title -

journal of artificial intelligence research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.79

H-Index - 123

eISSN - 1943-5037

pISSN - 1076-9757

DOI - 10.1613/jair.1.12298

Subject(s) - credibility , axiom , belief revision , operator (biology) , computer science , base (topology) , knowledge base , trustworthiness , axiomatic system , mathematical economics , theoretical computer science , artificial intelligence , mathematics , epistemology , computer security , philosophy , mathematical analysis , biochemistry , chemistry , geometry , repressor , transcription factor , gene

In this paper we study a kind of operator —known as credibility-limited base revisions— which addresses two of the main issues that have been pointed out to the AGM model of belief change. Indeed, on the one hand, these operators are defined on belief bases (rather than belief sets) and, on the other hand, they are constructed with the underlying idea that not all new information is accepted. We propose twenty different classes of credibilitylimited base revision operators and obtain axiomatic characterizations for each of them. Additionally we thoroughly investigate the interrelations (in the sense of inclusion) among all those classes. More precisely, we analyse whether each one of those classes is or is not (strictly) contained in each of the remaining ones.

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