Author

Xing Tang

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Preprint Aug 2026

When Memory Takes Gradients: Collaborative Vector Memory for Agentic Recommender Systems

CoVeMem (Collaborative Vector Memory) is proposed, which vectorizes the collaborative core of the agent's memory and takes gradients: the full interaction history, out of reach for text, becomes available as training data for what the agent remembers and for how it reads what it remembers.

Hanting Chen, Xing Tang, Lingyi Li et al. · 0 citations