[KongchangAI]
Unverified50% confidenceFactExact time

The error exponent is the core metric for measuring the performance of best-arm identification algorithms: under the large deviation theory framework, as the total budget tends to infinity, the algorithm's probability of error decays at an exponential rate, and that decay rate is the error exponent.

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50%
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Long-term
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10/16/2026
First Seen

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