4 papers
FAVOR: Efficient Filter-Agnostic Vector ANNS Based on Selectivity-Aware Exclusion Distances
Junjie Song, Yu Liu, Guoyu Hu +4
Modern retrieval systems increasingly require integrating approximate nearest neighbor search (ANNS) with complex attribute filtering to handle hybrid queries in applications such…
CubeGraph: Efficient Retrieval-Augmented Generation for Spatial and Temporal Data
Mingyu Yang, Wentao Li, Wei Wang
Hybrid queries combining high-dimensional vector similarity search with spatio-temporal filters are increasingly critical for modern retrieval-augmented generation (RAG) systems. E…
FlexKV: Flexible Index Offloading for Memory-Disaggregated Key-Value Store
Zhisheng Hu, Jiacheng Shen, Ming-Chang Yang
Disaggregated memory (DM) is a promising data center architecture that decouples CPU and memory into independent resource pools to improve resource utilization. Building on DM, mem…
Lotus: Optimizing Disaggregated Transactions with Disaggregated Locks
Zhisheng Hu, Pengfei Zuo, Junliang Hu +3
Disaggregated memory (DM) separates compute and memory resources, allowing flexible scaling to achieve high resource utilization. To ensure atomic and consistent data access on DM,…