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cs.LG2026
How Hard is it to Rig a Benchmark? A Social Choice Analysis of Leaderboard Robustness
Polina Gordienko, Georg Schollmeyer, Frauke Kreuter +1
Multi-task benchmarks have become a central pillar of machine learning research, yet their growing influence has incentivised benchmark gaming -- strategic actions taken to improve…
cs.LG2026
Beyond Arrow: From Impossibility to Possibilities in Multi-Criteria Benchmarking
Polina Gordienko, Christoph Jansen, Julian Rodemann +1
Modern benchmarks such as HELM MMLU account for multiple metrics like accuracy, robustness and efficiency. When trying to turn these metrics into a single ranking, natural aggregat…