collaborators

6 papers

cs.DB2026

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

Zekai Wu, Jiabao Jin, Peng Cheng +7

As the state-of-the-art methods for high-dimensional data retrieval, Approximate Nearest Neighbor Search (ANNS) approaches with graph-based indexes have attracted increasing attent…

cs.DB2026

SINDI: An Efficient Index for Sparse Vector Approximate Maximum Inner Product Search

Ruoxuan Li, Xiaoyao Zhong, Jiabao Jin +7

Sparse vector Maximum Inner Product Search (MIPS) is crucial in multi-path retrieval for Retrieval-Augmented Generation (RAG). Recent inverted index-based and graph-based algorithm…

cs.DB2025

Approximate Nearest Neighbor Search of Large Scale Vectors on Distributed Storage

Kun Yu, Jiabao Jin, Xiaoyao Zhong +6

Approximate Nearest Neighbor Search (ANNS) in high-dimensional space is an essential operator in many online services, such as information retrieval and recommendation. Indices con…

cs.DB2025

VSAG: An Optimized Search Framework for Graph-based Approximate Nearest Neighbor Search

Xiaoyao Zhong, Haotian Li, Jiabao Jin +11

Approximate nearest neighbor search (ANNS) is a fundamental problem in vector databases and AI infrastructures. Recent graph-based ANNS algorithms have achieved high search accurac…

cs.DB2025

EnhanceGraph: A Continuously Enhanced Graph-based Index for High-dimensional Approximate Nearest Neighbor Search

Xiaoyao Zhong, Jiabao Jin, Peng Cheng +5

Recently, Approximate Nearest Neighbor Search in high-dimensional vector spaces has garnered considerable attention due to the rapid advancement of deep learning techniques. We obs…

cs.DB2025

Effective and General Distance Computation for Approximate Nearest Neighbor Search

Mingyu Yang, Wentao Li, Jiabao Jin +5

Approximate K Nearest Neighbor (AKNN) search in high-dimensional spaces is a critical yet challenging problem. In AKNN search, distance computation is the core task that dominates…