Engineering Optimization

Zhihu Tech Column

Jan 17, 2025 · Artificial Intelligence

Zhihu Direct Answer: Product Overview and Technical Practices

This article summarizes the key technical insights from Zhihu Direct Answer, an AI-powered search product, covering its product overview, RAG framework, query understanding, retrieval strategies, chunking, reranking, generation techniques, evaluation methods, and engineering optimizations for cost and performance.

AI SearchChunkingEngineering Optimization

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Zhihu Direct Answer: Product Overview and Technical Practices

NetEase Yanxuan Technology Product Team

Sep 19, 2022 · Mobile Development

NetEase Yanxuan iOS App Architecture Evolution: A Case Study in Modularization and Engineering Optimization

The article details how NetEase Yanxuan’s massive iOS codebase was refactored through modularization and layered architecture—splitting the main project, isolating business modules, automating dependency analysis, binaryizing core libraries, and cleaning unused resources—resulting in reduced coupling, a 6% faster compile time, and a sustainable CI‑driven development workflow.

App Architecture EvolutionCI/CDCode Decoupling

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NetEase Yanxuan iOS App Architecture Evolution: A Case Study in Modularization and Engineering Optimization