3 papers
cs.DB2026
Directory-Aware Query and Maintenance in Vector Databases
Mengzhao Wang, Zheng Gong, Jingpei Hu +4
Vector databases typically manage metadata as flat scalar attributes, which limits their ability to express hierarchical directory semantics commonly used to organize code reposito…
cs.AI2026
VikingMem: A Memory Base Management System for Stateful LLM-based Applications
Jiajie Fu, Junwen Chen, Mengzhao Wang +5
Large Language Models have revolutionized interactive applications; however, their finite context windows pose a critical data management challenge for maintaining stateful, long-t…
cs.IR2024
Efficient and Effective Retrieval of Dense-Sparse Hybrid Vectors using Graph-based Approximate Nearest Neighbor Search
Haoyu Zhang, Jun Liu, Zhenhua Zhu +5
ANNS for embedded vector representations of texts is commonly used in information retrieval, with two important information representations being sparse and dense vectors. While it…