[KongchangAI]
Unverified50% confidenceFactExact time

UCB (Upper Confidence Bound) is a classic multi-armed bandit algorithm whose core idea is to add a confidence upper bound term to the estimated expected reward of each action and preferentially choose the action with the highest upper bound to balance exploration and exploitation.

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50%
Confidence
Long-term
Relevance
10/19/2026
First Seen

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