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Credibility-Limited Improvement Operators
August 2014
BFKP14
In this paper we introduce and study credibility-limited improvement operators. The idea is to accept the new piece of information if this information is judged credible by the agent, so in this case a revision is performed. When the new piece of information is not credible then it is not accepted (no revision is performed), but its plausibility is still improved in the epistemic state of the agent, similarly to what is done by improvement operators. We use a generalized definition of Darwiche and Pearl epistemic states, where to each epistemic state can be associated, in addition to the set of accepted formulas (beliefs), a set of credible formulas. We provide a syntactic and semantic characterization of these operators.
In proceedings
Richard Booth, Eduardo Fermé, Sébastien Konieczny, Ramón Pino Perez
Torsten Schaub, Gerhard Friedrich, Barry O'Sullivan
ECAI 2014 - 21st European Conference on Artificial Intelligence
Frontiers in Artificial Intelligence and Applications
IOS Press
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263
123-128
978-1-61499-418-3
-
-
http://ebooks.iospress.nl/volumearticle/36927
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Richard Booth and Eduardo Fermé and Sébastien Konieczny and Ramón Pino Perez, Credibility-Limited Improvement Operators, in: Torsten Schaub and Gerhard Friedrich and Barry O'Sullivan (eds), ECAI 2014 - 21st European Conference on Artificial Intelligence, Frontiers in Artificial Intelligence and Applications, IOS Press, Vol. 263, ISBN 978-1-61499-418-3, Pag. 123-128, (http://ebooks.iospress.nl/volumearticle/36927), August 2014.
Richard Booth, <a href="/people/members/view.php?code=2cfdf6eb6e4ec2815c3dc908c50509c9" class="author">Eduardo Fermé</a>, Sébastien Konieczny and Ramón Pino Perez, <b>Credibility-Limited Improvement Operators</b>, in: Torsten Schaub, Gerhard Friedrich and Barry O'Sullivan (eds), <u>ECAI 2014 - 21st European Conference on Artificial Intelligence</u>, Frontiers in Artificial Intelligence and Applications, <a href="http://www.iospress.nl/" title="Link to external entity..." target="_blank" class="publisher">IOS Press</a>, Vol. 263, ISBN 978-1-61499-418-3, Pag. 123-128, (<a href="http://ebooks.iospress.nl/volumearticle/36927" target="_blank">url</a>), August 2014.
@inproceedings {BFKP14, author = {Richard Booth and Eduardo Ferm{\'e} and S{\'e}bastien Konieczny and Ram{\'o}n Pino Perez}, editor = {Torsten Schaub and Gerhard Friedrich and Barry O'Sullivan}, title = {Credibility-Limited Improvement Operators}, booktitle = {ECAI 2014 - 21st European Conference on Artificial Intelligence}, series = {Frontiers in Artificial Intelligence and Applications}, publisher = {IOS Press}, volume = {263}, pages = {123-128}, isbn = {978-1-61499-418-3}, url = {http://ebooks.iospress.nl/volumearticle/36927}, abstract = {In this paper we introduce and study credibility-limited improvement operators. The idea is to accept the new piece of information if this information is judged credible by the agent, so in this case a revision is performed. When the new piece of information is not credible then it is not accepted (no revision is performed), but its plausibility is still improved in the epistemic state of the agent, similarly to what is done by improvement operators. We use a generalized definition of Darwiche and Pearl epistemic states, where to each epistemic state can be associated, in addition to the set of accepted formulas (beliefs), a set of credible formulas. We provide a syntactic and semantic characterization of these operators.}, month = {August}, year = {2014}, }
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