Hypergraphical Conformal Predictors. / Fedorova, Valentina; Gammerman, Alexander; Nouretdinov, Ilia; Vovk, Vladimir.

In: International Journal on Artificial Intelligence Tools, Vol. 24, No. 6, 1560003, 21.12.2015.

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Abstract

Conformal predictors are usually defined and studied under the exchangeability assumption. However, their definition can be extended to a wide class of statistical models, called online compression models, while retaining their property of automatic validity. This paper is devoted to conformal prediction under hypergraphical models that are more specific than the exchangeability model. Namely, we define two natural classes of conformity measures for such hypergraphical models and study the corresponding conformal predictors empirically on benchmark LED data sets. Our experiments show that they are more efficient than conformal predictors that use only the exchangeability assumption.
Original languageEnglish
Article number1560003
JournalInternational Journal on Artificial Intelligence Tools
Volume24
Issue number6
DOIs
Publication statusPublished - 21 Dec 2015
This open access research output is licenced under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

ID: 25416126