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Jiazhi Xia

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    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
    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

    RSATree: Distribution-AwareData Representation of Large-Scale Tabular Datasets for Flexible Visual Query

    IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics
    Analysts commonly investigate the data distributions derived from statistical aggregations of data that are represented by charts, such …
    Honghui Mei , Wei Chen , Yating Wei , Yuanzhe Hu , Shuyue Zhou , Bingru Lin , Ying Zhao , Jiazhi Xia
    PDF Code

    location2vec: a situation-aware representation for visual exploration of urban locations

    IEEE TITS | IEEE Transactions on Intelligent Transportation Systems
    Understanding the relationship between urban locations is an essential task in urban planning and transportation management. Whereas …
    Minfeng Zhu , Wei Chen , Jiazhi Xia , Yuxin Ma , Yankong Zhang , Yuetong Luo , Zhaosong Huang , Liangjun Liu
    PDF

    Evaluating Multi-Dimensional Visualizations for Understanding Fuzzy Clusters.

    IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics
    Fuzzy clustering assigns a probability of membership for a datum to a cluster, which veritably reflects real-world clustering scenarios …
    Ying Zhao , Feng Luo , Minghui Chen , Yingchao Wang , Jiazhi Xia , Fangfang Zhou , Yunhai Wang , Yi Chen , Wei Chen
    PDF DOI

    Structure-Based Suggestive Exploration: New Approach for Effective Exploration of Large Networks

    IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics
    When analyzing a visualized network, users need to explore different sections of the network to gain insight. However, effective …
    Wei Chen , Fangzhou Guo , Dongming Han , Jiacheng Pan , Xiaotao Nie , Jiazhi Xia , Xiaolong Zhang
    PDF Slides Video

    LDSScanner: Exploratory Analysis of Low-Dimensional Structures in High-Dimensional Datasets

    IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics
    Many approaches for analyzing a high-dimensional dataset assume that the dataset contains specific structures, e.g., clusters in linear …
    Jiazhi Xia , Fenjin Ye , Wei Chen , Yusi Wang , Weifeng Chen , Yuxin Ma , Anthony K.H. Tung
    PDF Video DOI

    Real-Time Shape Illustration Using Laplacian Lines

    IEEE TVCG | IEEE Transactions on Visualization and Computer Graphics
    This paper presents a novel object-space line drawing algorithm that can depict shapes with view-dependent feature lines in real time. …
    Long Zhang , Ying He , Jiazhi Xia , Xuexiang Xie , Wei Chen
    PDF Video
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