Xumeng Wang

Latest

FraudAuditor: A Visual Analytics Approach for Collusive Fraud in Health Insurance

IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics

Collusive fraud, in which multiple fraudsters collude to defraud health insurance funds, threatens the operation of the healthcare …

Jiehui Zhou , Xumeng Wang , Jie Wang , Hui Ye , Huanliang Wang , Zihan Zhou , Dongming Han , Haochao Ying , Jian Wu , Wei Chen

PDF Video Cite DOI



CohortVA: A Visual Analytic System for Interactive Exploration of Cohorts based on Historical Data

IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics

In history research, cohort analysis seeks to identify social structures and figure mobilities by studying the group-based behavior of …

Wei Zhang , Jason K. Wong , Xumeng Wang , Youcheng Gong , Rongchen Zhu , Kai Liu , Zihan Yan , Siwei Tan , Huamin Qu , Siming Chen , Wei Chen

Cite DOI



DPVisCreator: Incorporating Pattern Constraints to Privacy-preserving Visualizations via Differential Privacy

IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics

Data privacy is an essential issue in publishing data visualizations. However, it is challenging to represent multiple data patterns in …

Jiehui Zhou , Xumeng Wang , Jason K. Wong , Huanliang Wang , Zhongwei Wang , Xiaoyu Yang , Xiaoran Yan , Haozhe Feng , Huamin Qu , Haochao Ying , Wei Chen

PDF Code Video Cite DOI



HetVis: A Visual Analysis Approach for Identifying Data Heterogeneity in Horizontal Federated Learning

IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics

Horizontal federated learning (HFL) enables distributed clients to train a shared model and keep their data privacy. In training …

Xumeng Wang , Wei Chen , Jiazhi Xia , Zhen Wen , Rongchen Zhu , Tobias Schreck

Cite DOI



Umbra: A Visual Analysis Approach for Defense Construction Against Inference Attacks on Sensitive Information

IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics

Collecting and analyzing anonymous personal information is required as a part of data analysis processes, such as medical diagnosis and …

Xumeng Wang , Chris Bryan , Yiran Li , Rusheng Pan , Yanling Liu , Wei Chen , Kwan-Liu Ma

Cite DOI



ConceptExplorer: Visual Analysis of Concept Drifts in Multi-source Time-series Data

IEEE VAST | IEEE Conference on Visual Analytics Science and Technology

Time-series data is widely studied in various scenarios, like weather forecast, stock market, customer behavior analysis. To …

Xumeng Wang , Wei Chen , Jiazhi Xia , Zexian Chen , Dongshi Xu , Xiangyang Wu , Mingliang Xu , Tobias Schreck

PDF Video Cite



A User Study on the Capability of Three Geo-Based Features in Analyzing and Locating Trajectories.

IEEE TITS | IEEE Transactions on Intelligent Transportation Systems

Visual analysis is widely applied to study human mobility due to the ability in integrating contextual information multiple data …

Xumeng Wang , Tianlong Gu , Xiwen Cai , Tianyi Lao , Wenlong Chen , Yingcai Wu , Jinhui Yu , Wei Chen

PDF Cite



GraphProtector: A Visual Interface for Employing and Assessing Multiple Privacy Preserving Graph Algorithms.

IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics

Analyzing social networks reveals the relationships between individuals and groups in the data. However, such analysis can also lead to …

Xumeng Wang , Wei Chen , Jia-Kai Chou , Chris Bryan , Huihua Guan , Wenlong Chen , Rusheng Pan , Kwan-Liu Ma

PDF Slides Video Video Cite



Relationlines: Visual Reasoning of Egocentric Relations from Heterogeneous Urban Data

ACM TIST | ACM Transactions on Intelligent Systems and Technology

The increased accessibility of urban sensor data and the popularity of social network applications is enabling the discovery of crowd …

Wei Chen , Jing Xia , Xumeng Wang , Yi Wang , Jun Chen , Tianlong Gu

PDF Cite



A Utility-aware Visual Approach for Anonymizing Multi-attribute Tabular Data.

IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics

Sharing data for public usage requires sanitization to prevent sensitive information from leaking. Previous studies have presented …

Xumeng Wang , Jia-Kai Chou , Wei Chen , Huihua Guan , Wenlong Chen , Tianyi Lao Kwan-Liu Ma

PDF Video Video Cite