一作ACL 2026Findings· Findings of ACL
HSUGA : LLM -Enhanced Recommendation with Hierarchical Semantic Understanding and Group-Aware Alignment
Guorui Li · Dugang Liu · Lei Li · Xing Tang · Zhong Ming
摘要
Large language model (LLM)-enhanced sequential recommendation typically aims to improve two core components: user semantic embedding extraction and utilization. Despite promising results, existing methods still have two limitations: 1) In the extraction stage, most methods directly input long int...