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DataFunSummit
DataFunSummit
Nov 8, 2020 · Artificial Intelligence

Architecture and Evolution of 58 Tongzhen Local Feed Recommendation System

This article details the design, data pipeline, feature engineering, model development, and iterative optimization of the 58 Tongzhen local feed recommendation system, covering business background, user profiling, recall strategies, ranking models such as XGBoost, XDeepFM, and online learning, and future directions.

AIbig datafeature engineering
0 likes · 33 min read
Architecture and Evolution of 58 Tongzhen Local Feed Recommendation System
Xianyu Technology
Xianyu Technology
Jul 28, 2018 · Big Data

Real-Time Computation Architecture for Non-Timeline Feed Ranking

The paper presents a real‑time computation architecture on Alibaba Cloud Blink that scores and ranks non‑timeline feed items within a sliding 72‑hour window, updating rankings every few minutes, using Redis ZSET for fast retrieval, and discusses scaling optimizations such as interval tuning and external join‑and‑rank services.

Real-Time ComputingRedisStream Processing
0 likes · 6 min read
Real-Time Computation Architecture for Non-Timeline Feed Ranking