Abstract
This note corrects a claim made in the above-mentioned paper about the exact representation of a conditional preference network by means of a possibilistic logic base with partially ordered symbolic weights. We provide a counter-example that shows that the possibilistic logic representation is indeed not always exact. This is the basis of a short discussion on the difficulty of obtaining an exact representation.
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References
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The online version of the original article can be found at http://dx.doi.org/10.1007/s10472-012-9279-9.
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Dubois, D., Hadjali, A., Prade, H. et al. Erratum to: Database preference queries - a possibilistic logic approach with symbolic priorities. Ann Math Artif Intell 73, 359–363 (2015). https://doi.org/10.1007/s10472-014-9446-2
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DOI: https://doi.org/10.1007/s10472-014-9446-2