}}</ref> Generalizing the Borda count to incomplete rankings takes more care:; some such generalizations have a constant approximation factor to [[Kemeny-Young]] while others can be arbitrarily bad.<ref name="Mathieu Mauras 2020 pp. 2810–2822">{{cite book | last=Mathieu | first=Claire | last2=Mauras | first2=Simon | journal=Proceedings of the 2020 ACM-SIAM Symposium on Discrete Algorithms (SODA) | title=How to aggregate Top-lists: Approximation algorithms via scores and average ranks | publisher=Society for Industrial and Applied Mathematics | publication-place=Philadelphia, PA | year=2020 | doi=10.1137/1.9781611975994.171 | pages=2810–2822|url=https://epubs.siam.org/doi/pdf/10.1137/1.9781611975994.171}}</ref>
==See also==
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