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An intelligent quality-based approach to fusing multi-source possibilistic information

Abstract : Recently, Yager and Petry were proposing a quality-based methodology to combine data provided by multiple probabilistic sources to improve the quality of information for decision-makers. This paper offers a sort of companion paper that adapts this methodology to possibilistic sources. Possibility theory is particularly well suited to cope with incomplete information from poor-data sources. The methodology and algorithms used for the probabilistic approach are adapted for the possibilistic case. Both approaches are then compared by the means of a numerical example and four experimental benchmark datasets: one, the IRIS data set, being data-poorer than the three other ones (Diabetes dataset, Glass dataset and Liver-disorder dataset). A vector representation is introduced for a possibility distribution as in the probabilistic case and, the Gini's formulation of entropy is being used. However, the Gini's entropy has to be used differently than with the probabilistic case. This has an impact on the selection of subsets. A fusion scheme is designed to select the best-quality subsets according to two information quality factors: quantity of information and source credibility. Results obtained from comparison of both approaches on the four experimental benchmarks confirm the superiority of the possibilistic approach in the presence of information scarcity or incompleteness.
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Submitted on : Monday, September 2, 2019 - 8:58:32 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:43 PM
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Sonda Ammar Bouhamed, Imene Khanfir Kallel, Ronald Yager, Eloi Bosse, Basel Solaiman. An intelligent quality-based approach to fusing multi-source possibilistic information. Information Fusion, Elsevier, 2020, 55, pp.68-90. ⟨10.1016/j.inffus.2019.08.003⟩. ⟨hal-02276582⟩

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