Amap Tech

Jun 21, 2019 · Artificial Intelligence

Improving Origin Snap Accuracy in Amap Navigation Using Machine Learning

To overcome the limitations of handcrafted rules for binding users’ reported start locations to the correct road segment, Amap built a data‑driven, list‑wise learning‑to‑rank model that leverages real‑travel and planning data, achieving a 10 % error reduction and 40 % accuracy gain on difficult origin‑snapping cases.