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Xiaohongshu Tech REDtech
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Xiaohongshu Tech REDtech

Official account of the Xiaohongshu tech team, sharing tech innovations and problem insights, advancing together.

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Latest from Xiaohongshu Tech REDtech

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Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Feb 8, 2023 · Information Security

Exploring and Practicing Community Anti-Cheat Strategies at Xiaohongshu

The presentation outlines Xiaohongshu’s comprehensive community anti‑cheat strategy, defining cheating risks across industries, mapping the black‑gray ecosystem, and detailing a five‑module framework—risk perception, capability building, identification, mitigation, and evaluation—implemented via layered data architecture and multi‑stage detection to protect platform integrity.

Data AnalysisRisk Managementanti-cheat
0 likes · 17 min read
Exploring and Practicing Community Anti-Cheat Strategies at Xiaohongshu
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Feb 2, 2023 · Operations

Optimizing Xiaohongshu Splash Screen Ads: Flow Selection and Dynamic Decision Mechanisms

Xiaohongshu’s new “traffic‑optimal + dynamic decision” framework models splash‑screen ad allocation as a linear‑programming problem with volume guarantees, continuously adjusts weights via feedback, and pre‑computes cached decisions to preserve fast app startup, thereby boosting click‑through rates while meeting delivery commitments.

CTR improvementLinear ProgrammingSplash Screen
0 likes · 14 min read
Optimizing Xiaohongshu Splash Screen Ads: Flow Selection and Dynamic Decision Mechanisms
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Jan 10, 2023 · Artificial Intelligence

AI‑Driven Video Coding: Expert Q&A on Intelligent Compression, Standards, and Future Directions

Experts Wang Shenshe and Chen Jing discuss how deep‑learning‑based video coding is reshaping traditional compression by offering modest quality gains but facing theoretical, hardware, and standardization hurdles, while debating hybrid versus end‑to‑end designs, rate control, 3‑D support, and the balance between human‑centric perception and machine‑oriented efficiency.

AIRate ControlVideo Coding
0 likes · 16 min read
AI‑Driven Video Coding: Expert Q&A on Intelligent Compression, Standards, and Future Directions
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Jan 3, 2023 · Artificial Intelligence

Insights into ChatGPT: Capabilities, Limitations, and Implications for AI Research

During Xiaohongshu’s REDtech livestream, AI researchers examined ChatGPT’s rapid adoption, versatile task performance, and underlying large‑scale pre‑training with in‑context learning, while highlighting persistent hallucinations, weak reasoning, high costs, and limited search‑engine replacement potential, and emphasized the importance of RLHF‑driven human feedback for future multimodal AI research.

AI researchChatGPTRLHF
0 likes · 14 min read
Insights into ChatGPT: Capabilities, Limitations, and Implications for AI Research
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Dec 15, 2022 · Artificial Intelligence

Cross‑Scene Intelligent Advertising on Xiaohongshu: Algorithms for Keyword Selection, Targeting, Budget Allocation and Multi‑Constrained Bidding

Xiaohongshu’s All‑Site Smart投 platform unifies cross‑scene advertising by using AI‑driven keyword extraction, graph‑based user modeling, OCR‑enhanced sparse‑ad handling, learning‑to‑rank targeting, dynamic budget reallocation, and a primal‑dual linear‑programming bidding engine that jointly optimizes ROI under multiple constraints.

advertisingbiddingbudget optimization
0 likes · 12 min read
Cross‑Scene Intelligent Advertising on Xiaohongshu: Algorithms for Keyword Selection, Targeting, Budget Allocation and Multi‑Constrained Bidding
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Nov 30, 2022 · Information Security

Best Practices for Community and E‑commerce Fraud Prevention on Xiaohongshu: Understanding and Combating Fake Traffic

The article outlines Xiaohongshu’s comprehensive anti‑fraud strategy—defining fake traffic, exposing three service‑provider models, detailing identification and governance challenges, and recommending engine‑based risk‑control, a five‑step process, and AI‑driven behavior, clustering, and graph analyses that have already eliminated billions of fraudulent likes.

anti-fraude-commerce securityfraud detection
0 likes · 22 min read
Best Practices for Community and E‑commerce Fraud Prevention on Xiaohongshu: Understanding and Combating Fake Traffic
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Nov 25, 2022 · Artificial Intelligence

Youth AI Technology Salon: Multimodal Learning, AIGC, and Career Guidance

At the REDtech Youth AI Technology Salon in Beijing, leading AI experts and top university students discussed the evolution of multimodal learning, Xiaohongshu’s practical applications, autonomous‑driving perception, and offered career guidance, emphasizing solid fundamentals, user value, and opportunities within Xiaohongshu’s talent‑development programs.

AI talent developmentAIGCTechnology Salon
0 likes · 16 min read
Youth AI Technology Salon: Multimodal Learning, AIGC, and Career Guidance
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Nov 16, 2022 · Operations

Design and Implementation of a Continuous Performance Optimization and Tracking Platform for Xiaohongshu Services

To curb rising resource costs as Xiaohourshu scales, engineers built a Continuous Performance Optimization & Tracking Platform that continuously profiles services, stores diff‑analyzed data in ClickHouse, automatically detects tiny regressions, links them to code changes, and has already saved and flagged roughly 20,000 CPU cores across search, recommendation and advertising workloads.

Big DataContinuous Monitoringcloud-native
0 likes · 16 min read
Design and Implementation of a Continuous Performance Optimization and Tracking Platform for Xiaohongshu Services
Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Nov 11, 2022 · Artificial Intelligence

Media Experience Quality Assessment: Visual Perception and Objective Quality Metrics

Professor Zhai’s REDtech talk explained how the human visual system underlies full‑, reduced‑ and no‑reference media quality metrics, introduced a free‑energy‑based perception model and pseudo‑reference technique for accurate no‑reference UGC video assessment, and discussed audio‑visual integration, opinion‑score distributions, and EEG‑based perceptual loss challenges.

UGCaudio-visualmedia quality assessment
0 likes · 15 min read
Media Experience Quality Assessment: Visual Perception and Objective Quality Metrics