HARPO reframes conversational recommendation as hierarchical agentic reasoning with learned weights over quality dimensions and value-guided tree search, yielding better recommendation metrics on ReDial, INSPIRED, and MUSE.
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HARPO: Hierarchical Agentic Reasoning for User-Aligned Conversational Recommendation
HARPO reframes conversational recommendation as hierarchical agentic reasoning with learned weights over quality dimensions and value-guided tree search, yielding better recommendation metrics on ReDial, INSPIRED, and MUSE.