21CTO

Jan 16, 2016 · Artificial Intelligence

How Alibaba’s Dual-Path Real-Time Computing Powers Search During Double 11

This article explains Alibaba’s dual‑link real‑time computing framework, detailing its micro‑ and macro‑level pipelines, key components such as Pora, iGraph and SP, online learning architectures, pointwise and pairwise ranking models, bandit‑based strategy optimization, PID‑controlled traffic balancing, and the impressive performance gains achieved during the Double 11 shopping festival.