RAG / 检索增强生成

FGIM: a Fast Graph-based Indexes Merging Framework for Approximate Nearest Neighbor Search

FGIM: 一种基于图的索引合并框架用于近邻搜索

Zekai Wu, Jiabao Jin, Peng Cheng, Xiaoyao Zhong, Lei Chen, Yongxin Tong, Zhitao Shen, Jingkuan Song, Heng Tao Shen, Xuemin Lin

专题命中 向量检索 ：retrieval-augmented generation(abstract)；RAG(abstract)；分类 cs.DB

AI总结 本文提出FGIM框架，通过三种核心技术提升图索引合并效率，实验显示其在多种近邻搜索方法中实现显著加速且保持性能。

Comments 27 pages, accepted by SIGMOD 2026