DataFunSummit
Jun 22, 2025 · Artificial Intelligence
How Vivo’s BlueHeart AI Assistant Optimizes Post‑Conversation Recommendations with LLMs
In a detailed interview, Vivo AI engineer Liang Tianan explains how the BlueHeart Small V assistant leverages large language models, multi‑stage recall, ranking, and reward‑model fine‑tuning (SFT/DPO) to generate high‑quality, diverse post‑dialogue recommendation items while balancing latency, cost, and evaluation challenges.
DPODialogue AILLM
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