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Some Properties of a Measure of Information Discrepancy

Weiwu Fang

2002系统科学与系统工程学报(英文版)Biochemistry, Genetics and Molecular Biology被引 1

摘要

Based on a group of axioms, a measure of information discrepancyamong multiple information sources has been introduced in and it possesses some peculiar properties compared with other measures of information discrepancy, so it can be used in some areas, where the traditional measures are not valid or not efficient, for example, in the study of DNA sequence comparison, prediction of protein structure class, evidence analysis, questionnaire analysis, and so on. In this paper, using the optimization techniques, we prove that it is a distance function and show that it is also an approximation of χ2 function. These two properties will stimulate further applications of the measure to information processing and system analysis.

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