most citedBeyond Scale: Small Language Models are Comparable to GPT-4 in Mental Health Understanding

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cs.IR2025

LLM-CoT Enhanced Graph Neural Recommendation with Harmonized Group Policy Optimization

Hailong Luo, Bin Wu, Hongyong Jia +2

Graph neural networks (GNNs) have advanced recommender systems by modeling interaction relationships. However, existing graph-based recommenders rely on sparse ID features and do n…