Apr 29, 2023 · Artificial Intelligence

RMTL: A Reinforcement Learning Based Multi‑Task Learning Framework for Session‑Level Recommendation

The paper proposes RMTL, a reinforcement‑learning driven multi‑task learning framework that builds session‑level MDPs, trains a multi‑task actor‑critic network with dynamic loss weighting, and demonstrates significant AUC improvements over state‑of‑the‑art MTL recommendation models on public datasets.

Multi-Task Learningactor‑criticadaptive loss weighting

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RMTL: A Reinforcement Learning Based Multi‑Task Learning Framework for Session‑Level Recommendation