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Jun 11, 2016 · Big Data

How 58 Daojia Leverages User Portraits to Boost Operations and Fight Fraud

This article details 58 Daojia's data‑driven approach to building user‑portrait tags, covering tag construction, evaluation, and practical applications such as personalized recommendations, anti‑fraud measures, coupon distribution, and dynamic pricing, while outlining the underlying big‑data architecture and technical challenges.