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Showing posts tagged Architecture, published in 2026.

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Tag: ArchitectureYear: 2026Reset all
January 6, 2026AILLMRAG

Perplexity 架构解析:如何实现有依据的 LLM 输出

以 Perplexity 为代表,解析答案引擎如何结合搜索、RAG、重排序、引用生成、事实核查和产品交互,生成带来源、可验证的 LLM 输出。

Perplexity 架构解析:如何实现有依据的 LLM 输出
January 5, 2026AISearchRAG

稠密检索 vs 稀疏检索:基于向量区分现代搜索技术

深入理解稠密检索、稀疏检索、学习型稀疏向量和混合检索的原理、优缺点,以及如何通过多阶段召回与重排序提升 RAG 和搜索系统效果。

稠密检索 vs 稀疏检索:基于向量区分现代搜索技术

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