一作ACL 2026Poster· Natural Language Processing
HARPO : Hierarchical Agentic Reasoning for User-Aligned Conversational Recommendation
Subham Raj · Aman Vaibhav Jha · Mayank Anand · Sriparna Saha
摘要
Conversational recommender systems (CRSs) operate under incremental preference revelation, requiring recommendation decisions under uncertainty. While recent LLM-based approaches achieve strong performance on proxy metrics such as Recall@K and BLEU, they often fail to deliver high-quality, user-a...