https://answer.freetools.me/tags/%E8%BF%91%E4%BC%BC%E6%9C%80%E8%BF%91%E9%82%BB%E6%90%9C%E7%B4%A2/ Recent content in 近似最近邻搜索 on Answer Hugo -- 0.152.2 zh-cn Tue, 10 Mar 2026 15:05:42 +0800 https://answer.freetools.me/%E5%90%91%E9%87%8F%E6%95%B0%E6%8D%AE%E5%BA%93%E7%9A%84%E9%87%8F%E5%8C%96%E5%8E%8B%E7%BC%A9%E4%BB%8Eproduct-quantization%E5%88%B0rabitq%E7%9A%84%E4%BA%8C%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E5%8D%9A%E5%BC%88/ Tue, 10 Mar 2026 15:05:42 +0800 https://answer.freetools.me/%E5%90%91%E9%87%8F%E6%95%B0%E6%8D%AE%E5%BA%93%E7%9A%84%E9%87%8F%E5%8C%96%E5%8E%8B%E7%BC%A9%E4%BB%8Eproduct-quantization%E5%88%B0rabitq%E7%9A%84%E4%BA%8C%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E5%8D%9A%E5%BC%88/ 深入解析向量数据库量化压缩技术的演进历程：从2010年Product Quantization的开创性论文，到2024年RaBitQ的理论突破。系统阐述SQ、PQ、OPQ、Additive Quantization等核心方法的数学原理、压缩比、召回率影响，以及IVF-PQ、DiskANN等组合架构的工程权衡。