Zhaocheng Du

EffSelect: Efficient Feature Value Selection for Deep Recommender Systems with Mini-Batch Training

CollectiveKV: Decoupling and Sharing Collaborative Information in Sequential Recommendation

PureCover: Bridging the Gap in Re-ranking for Retrieval-Augmented Generation via Balancing Coverage and Noise

Personalized Visual Content Generation in Conversational Systems

Process vs. Outcome Reward: Which is Better for Agentic RAG Reinforcement Learning