Amap Tech

Nov 19, 2025 · Artificial Intelligence

How Gaode’s Spacetime‑GR Model Boosts POI Recommendation with AI‑Powered SFT and DPO

Gaode transforms its map app into a dynamic, AI‑driven “living map” by fine‑tuning the large Spacetime‑GR model through embedding‑based and generative ranking SFT, DPO alignment, and multimodal augmentation, achieving significant offline CTR‑AUC improvements and online CTR gains in POI recommendation.