18 citations · 46 across the 11 of their papers we have counts for
11 papers
PatternSight: A Perceptual Grouping Effectiveness Assessment Approach for Graphical Patterns in Charts
Xumeng Wang, Xiangxuan Zhang, Zhiqi Gao +2
The boom in visualization generation tools has significantly lowered the threshold for chart authoring. Nevertheless, chart authors with an insufficient understanding of perceptual…
GamerAstra: Supporting 2D Non-Twitch Video Games for Blind and Low-Vision Players through a Multi-Agent Framework
Tianrun Qiu, Changxin Chen, Sizhe Cheng +4
Blind and low-vision (BLV) players face critical challenges in engaging with video games due to the inaccessibility of visual elements, difficulties navigating interfaces, and limi…
CausalPrism: A Visual Analytics Approach for Subgroup-based Causal Heterogeneity Exploration
Jiehui Zhou, Xumeng Wang, Kam-Kwai Wong +5
In causal inference, estimating Heterogeneous Treatment Effects (HTEs) from observational data is critical for understanding how different subgroups respond to treatments, with bro…
Defogger: A Visual Analysis Approach for Data Exploration of Sensitive Data Protected by Differential Privacy
Xumeng Wang, Shuangcheng Jiao, Chris Bryan
Differential privacy ensures the security of individual privacy but poses challenges to data exploration processes because the limited privacy budget incapacitates the flexibility…
NFTVis: Visual Analysis of NFT Performance
Fan Yan, Xumeng Wang, Ketian Mao +2
A non-fungible token (NFT) is a data unit stored on the blockchain. Nowadays, more and more investors and collectors (NFT traders), who participate in transactions of NFTs, have an…
FraudAuditor: A Visual Analytics Approach for Collusive Fraud in Health Insurance
Jiehui Zhou, Xumeng Wang, Jie Wang +7
Collusive fraud, in which multiple fraudsters collude to defraud health insurance funds, threatens the operation of the healthcare system. However, existing statistical and machine…
DPVisCreator: Incorporating Pattern Constraints to Privacy-preserving Visualizations via Differential Privacy
Jiehui Zhou, Xumeng Wang, Jason K. Wong +8
Data privacy is an essential issue in publishing data visualizations. However, it is challenging to represent multiple data patterns in privacy-preserving visualizations. The prior…
CohortVA: A Visual Analytic System for Interactive Exploration of Cohorts based on Historical Data
Wei Zhang, Jason K. Wong, Xumeng Wang +8
In history research, cohort analysis seeks to identify social structures and figure mobilities by studying the group-based behavior of historical figures. Prior works mainly employ…
HetVis: A Visual Analysis Approach for Identifying Data Heterogeneity in Horizontal Federated Learning
Xumeng Wang, Wei Chen, Jiazhi Xia +3
Horizontal federated learning (HFL) enables distributed clients to train a shared model and keep their data privacy. In training high-quality HFL models, the data heterogeneity amo…
GraphFederator: Federated Visual Analysis for Multi-party Graphs
Dongming Han, Wei Chen, Rusheng Pan +8
This paper presents GraphFederator, a novel approach to construct joint representations of multi-party graphs and supports privacy-preserving visual analysis of graphs. Inspired by…
ConceptExplorer: Visual Analysis of Concept Driftsin Multi-source Time-series Data
Xumeng Wang, Wei Chen, Jiazhi Xia +5
Time-series data is widely studied in various scenarios, like weather forecast, stock market, customer behavior analysis. To comprehensively learn about the dynamic environments, i…