JD Retail Technology

Apr 7, 2020 · Artificial Intelligence

Fine-Grained Personalized Recommendation System Architecture for E-commerce

This article outlines the engineering architecture of a fine‑grained, personalized recommendation system for e‑commerce, covering core components such as feature data (offline and real‑time), algorithm engine (recall and ranking), technology choices like MongoDB, Elasticsearch, Kafka, Redis, and model deployment strategies.