Ximalaya Technology Team
Apr 30, 2024 · Artificial Intelligence
Multi‑Stage Funnel Architecture and Optimization Practices in an Advertising Engine
The advertising engine uses a five‑stage funnel—retrieval, recall, coarse ranking, fine ranking, and re‑ranking—each optimized with specialized indexes, multi‑channel recall, multi‑objective twin‑tower models, deep CTR/CVR predictors, and cold‑start paths, delivering up to 33 % spend growth, 6 % eCPM lift and lower latency while maintaining diversity.
Cold StartOptimizationRanking
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