58 Tech
Dec 28, 2021 · Artificial Intelligence
Reinforcement Learning for Cold‑Start Job Recommendation in 58.com
This talk explains how 58.com tackles the cold‑start and interest‑divergence problems of its massive blue‑collar job recruitment platform by modeling the recommendation process as a reinforcement‑learning task, detailing the use of multi‑armed bandit, contextual bandit, and linear‑UCB algorithms, offline evaluation pipelines, online deployment, and observed performance gains.
Multi-armed banditcold startcontextual bandit
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