recommendation system

iQIYI Technical Product Team

Oct 31, 2019 · Artificial Intelligence

Online Learning for Large‑Scale DNN Ranking Models in iQIYI Feed Recommendation

iQIYI’s feed recommendation system adopts an online‑learning framework that continuously trains a massive Wide‑and‑Deep DNN on billions of streaming samples, handling dynamic user interests, OOV embeddings, delayed labels, and non‑convex optimization, enabling hourly model refreshes and delivering up to 3.8 % higher consumption versus offline baselines.