3 papers
cs.DB2026
LiLIS: A Lightweight Distributed Learned Index Framework for Spatial Decision Analysis
Zhongpu Chen, Yikai Dong, Wanjun Hao
Spatial query and analysis results are often directly applied to decision-making processes such as facility location, proximity resource discovery, accessibility analysis, and risk…
cs.CL2025
MDEval: Evaluating and Enhancing Markdown Awareness in Large Language Models
Zhongpu Chen, Yinfeng Liu, Long Shi +3
Large language models (LLMs) are expected to offer structured Markdown responses for the sake of readability in web chatbots (e.g., ChatGPT). Although there are a myriad of metrics…
cs.DS2025
UNIFY: Unified Index for Range Filtered Approximate Nearest Neighbors Search
Anqi Liang, Pengcheng Zhang, Bin Yao +3
This paper presents an efficient and scalable framework for Range Filtered Approximate Nearest Neighbors Search (RF-ANNS) over high-dimensional vectors associated with attribute va…