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Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Aug 1, 2024 · Artificial Intelligence

Xiaohongshu Search Advertising Recall: Practices, Metrics, and Large‑Model Integration

Xiaohongshu’s search advertising recall system evolves from keyword bidding to BERT‑based vector retrieval and LLM‑enhanced query rewriting, using dual semantic and efficiency models, water‑level metrics, and GPU‑accelerated engineering to achieve 80 % click coverage, 60 % conversion coverage and a 5 % CPM lift.

Artificial IntelligenceSearch Advertisingefficiency optimization
0 likes · 33 min read
Xiaohongshu Search Advertising Recall: Practices, Metrics, and Large‑Model Integration
Architecture and Beyond
Architecture and Beyond
May 12, 2024 · R&D Management

How to Build a R&D Efficiency Optimization Mechanism

This article explains the definition, value, and step‑by‑step methodology for designing, implementing, and continuously improving a management mechanism—using a R&D efficiency optimization mechanism as a concrete example—to enhance organizational effectiveness and product quality.

Continuous ImprovementOrganizational MechanismR&D management
0 likes · 15 min read
How to Build a R&D Efficiency Optimization Mechanism
DataFunTalk
DataFunTalk
Jan 18, 2019 · Artificial Intelligence

Efficiency Optimization Practices for 58.com Search Ranking

This article presents a comprehensive overview of 58.com’s search efficiency optimization, detailing the business background, ranking framework, data, algorithm, and engineering components, describing the three-stage ranking process, strategy and platform optimizations, feature engineering, model upgrades, and the resulting performance improvements.

Feature Engineeringalgorithmefficiency optimization
0 likes · 12 min read
Efficiency Optimization Practices for 58.com Search Ranking
58 Tech
58 Tech
Jan 11, 2019 · Artificial Intelligence

Design and Implementation of an End-to-End Efficiency Optimization Platform for 58.com Classified Listings

This article describes the design and implementation of a comprehensive efficiency‑optimization platform at 58.com, detailing its end‑to‑end workflow—from log aggregation and feature extraction through machine learning model training and online experimentation—highlighting modular, configurable, and scalable solutions for multi‑business, multi‑product ranking.

Feature Engineeringclick-through rateconversion rate
0 likes · 25 min read
Design and Implementation of an End-to-End Efficiency Optimization Platform for 58.com Classified Listings