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Copyright notice and author opinions

Creative Commons License You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work), you may not use the work for commercial purposes and you may not alter, transform, or build upon the work.

Published articles represent the author's opinions; the journal SORT-Statistics and Operations Research Transactions does not necessarily agree with the opinions expressed in the published articles.