JD Tech

Jul 11, 2025 · Artificial Intelligence

How JD’s PODM‑MI Model Revolutionizes E‑Commerce Search Ranking

JD’s algorithm engineer recounts how his team transformed e‑commerce search by developing the PODM‑MI re‑ranking framework, uncovering a novel “hourglass” bottleneck in generative retrieval, and implementing lightweight solutions that boosted diversity, relevance, and order volume, culminating in a SIGIR publication.