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arXiv:2012.02657 (cs)
[Submitted on 4 Dec 2020 (v1), last revised 23 Jun 2023 (this version, v3)]

Title:Margin of Victory in Tournaments: Structural and Experimental Results

Authors:Markus Brill, Ulrike Schmidt-Kraepelin, Warut Suksompong
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Abstract:Tournament solutions are standard tools for identifying winners based on pairwise comparisons between competing alternatives. The recently studied notion of margin of victory (MoV) offers a general method for refining the winner set of any given tournament solution, thereby increasing the discriminative power of the solution. In this paper, we reveal a number of structural insights on the MoV by investigating fundamental properties such as monotonicity and consistency with respect to the covering relation. Furthermore, we provide experimental evidence on the extent to which the MoV notion refines winner sets in tournaments generated according to various stochastic models.
Comments: Appears in the 35th AAAI Conference on Artificial Intelligence (AAAI), 2021
Subjects: Computer Science and Game Theory (cs.GT)
Cite as: arXiv:2012.02657 [cs.GT]
  (or arXiv:2012.02657v3 [cs.GT] for this version)
  https://doi.org/10.48550/arXiv.2012.02657
Journal reference: Artificial Intelligence, 302:103600 (2022)
Related DOI: https://doi.org/10.1016/j.artint.2021.103600

Submission history

From: Warut Suksompong [view email]
[v1] Fri, 4 Dec 2020 15:33:21 UTC (1,259 KB)
[v2] Wed, 9 Dec 2020 05:20:07 UTC (1,259 KB)
[v3] Fri, 23 Jun 2023 21:00:35 UTC (1,259 KB)
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