3 papers
cs.HC2026
DiffLens: A Visualization System to Explore Local Differences in Graph Sampling
Zhiguang Zhou, Yong Zhang, Yuming Ma +8
Graph sampling techniques have been widely used to simplify network computation and visualization, which also results in inevitable differences between the sampled networks and the…
cs.CL2025
DomainCQA: Crafting Knowledge-Intensive QA from Domain-Specific Charts
Yujing Lu, Ling Zhong, Jing Yang +5
Chart Question Answering (CQA) evaluates Multimodal Large Language Models (MLLMs) on visual understanding and reasoning over chart data. However, existing benchmarks mostly test su…
cs.AI2024
ChartKG: A Knowledge-Graph-Based Representation for Chart Images
Zhiguang Zhou, Haoxuan Wang, Zhengqing Zhao +4
Chart images, such as bar charts, pie charts, and line charts, are explosively produced due to the wide usage of data visualizations. Accordingly, knowledge mining from chart image…