Hi there! I am Zekai Shao, a Ph.D candidate in the School of Data Science at Fudan University (FDU), supervised by Prof. Siming Chen and associated with FDU-VIS. I am also a visiting PhD student at the Yonsei University, supervised by Prof. Bongshin Lee in Human-Data Interaction Lab. I received my bachelorโ€™s degree with honor from Intelligent Science and Technology (Honored Class) at FDU in 2023. I also have taken an internship at Microsoft Research Asia, advised by Dr. Yun Wang and Haidong Zhang.

I am a researcher working at the intersection of Visualization, HCI, and AI. My primary research focuses on advancing GenAI-powered visualization generation and evaluation by bridging methodological strengths across these three communities to improve data communication. To build the cross-community foundation for this research direction, I also contribute to related research within each field, including human-subject empirical studies in Visualization, human-AI interaction in HCI, and post-training for large language models in AI.

๐Ÿ“– Publications

ACL 2026
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From $\boldsymbol{\log\pi}$ to $\boldsymbol{\pi}$: Taming Divergence in Soft Clipping via Bilateral Decoupled Decay of Probability Gradient Weight

Xiaoliang Fu*, Jiaye Lin*, Yangyi Fang*, Chaowen Hu, Cong Qin, Zekai Shao, Binbin Zheng, Lu Pan, Ke Zeng

The 64th Annual Meeting of the Association for Computational Linguistics, 2026.

ACL 2026
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MASPO: Unifying Gradient Utilization, Probability Mass, and Signal Reliability for Robust and Sample-Efficient LLM Reasoning

Xiaoliang Fu*, Jiaye Lin*, Yangyi Fang*, Binbin Zheng, Chaowen Hu, Zekai Shao, Cong Qin, Lu Pan, Ke Zeng, Xunliang Cai

The 64th Annual Meeting of the Association for Computational Linguistics, 2026.

PacificVis 2026
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NotebookRAG: Retrieving Multiple Notebooks to Augment the Generation of EDA Notebooks for Crowd-Wisdom

Yi Shan, Yixuan He, Zekai Shao, Kai Xu, Siming Chen

IEEE Pacific Visualization Conference, 2026.

CG&A 2025
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Do Language Model Agents Align with Humans in Rating Visualizations? An Empirical Study

Zekai Shao*, Yi Shan*, Yixuan He, Yuxuan Yao, Junhong Wang, Xiaolong (Luke) Zhang, Yu Zhang, Siming Chen

IEEE Computer Graphics & Applications, 2025.

CHI 2025
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Unlocking Scientific Concepts: How Effective Are LLM-Generated Analogies for Student Understanding and Classroom Practice?

Zekai Shao*, Siyu Yuan*, Lin Gao, Yixuan He, Deqing Yang, Siming Chen

The ACM CHI conference on Human Factors in Computing Systems, 2025.

TVCG 2025
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Narrative Player: Reviving Data Narratives with Visuals

Zekai Shao, Leixian Shen, Haotian Li, Yi Shan, Huamin Qu, Yun Wang, Siming Chen

IEEE Transactions on Visualization and Computer Graphics, 2025.

TVCG (PacificVis) 2025
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ChartInsighter: An Approach for Mitigating Hallucination in Time-series Chart Summary Generation with A Benchmark Dataset

Fen Wang, Bomiao Wang, Xueli Shu, Zhen Liu, Zekai Shao, Chao Liu, and Siming Chen

IEEE Transactions on Visualization and Computer Graphics (Proc. IEEE PacificVisโ€™25), 2025.

TVCG (VIS) 2024
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Fineโ€‘Tuned Large Language Model for Visualization System: A Study on Selfโ€‘Regulated Learning in Education

Lin Gao, Jing Lu, Zekai Shao, Ziyue Lin, Shengbin Yue, Chokit Ieong, Yi Sun, Rory James Zauner, Zhongyu Wei, Siming Chen

IEEE Transactions on Visualization and Computer Graphics (Proc. IEEE VISโ€™24), 2024.

PacificVis 2024
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Interpreting Autonomous Driving Corner Cases: A Visual Analytics Approach

Yi Sun, Zekai Shao, Xingyu Qiu, Yun Li, Ting Liu, Linbing Xiang, Dong Sun, Siming Chen

IEEE Pacific Visualization Conference, 2024.

TVCG 2024
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LEVA: Using Large Language Models to Enhance Visual Analytics

Yuheng Zhao, Yixing Zhang, Yu Zhang, Xinyi Zhao, Junjie Wang, Zekai Shao, Cagatay Turkay, Siming Chen

IEEE Transactions on Visualization and Computer Graphics, 2024.

TVCG (VIS) 2023
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TransforLearn: Interactive Visual Tutorial for the Transformer Model

Lin Gao, Zekai Shao, Ziqin Luo, Haibo Hu, Cagatay Turkay and Siming Chen

IEEE Transactions on Visualization and Computer Graphics (Proc. IEEE VISโ€™23), 2024.

TVCG 2023
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Visual Explanation for Open-domain Question Answering with BERT

Zekai Shao, Shuran Sun, Yuheng Zhao, Siyuan Wang, Zhongyu Wei, Tao Gui, Cagatay Turkay, Siming Chen

IEEE Transactions on Visualization and Computer Graphics, 2023.

arXiv 2023
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A Comprehensive Capability Analysis of GPT-3 and GPT-3.5 Series Models

Junjie Ye, Xuanting Chen, Nuo Xu, Can Zu, Zekai Shao, et al.

arXiv, 2023, Preprint.

๐ŸŽ“ Experience

Education

  • 2023.09 - now, School of Data Science, Fudan University (FDU).

    Ph.D in Statistics-Machine Learning Track (Elite Ph.D Program of FDU) โ€‚โ€‚โ€‚Advisor: Siming Chen

  • 2019.09 - 2023.06, School of Information Science and Technology, Fudan University (FDU).

    Bachelor in Intelligent Science and Technology (Hornored Class) โ€‚โ€‚โ€‚Advisor: Siming Chen

Visiting

  • 2025.11 - now, Yonsei University.

    Visiting PhD Student in Human-Data Interaction Lab โ€‚โ€‚โ€‚Advisor: Bongshin Lee

  • 2022.11 - 2023.09, Microsoft Research Asia (MSRA).

    Research Intern in DKI (Data, Knowledge, and Intelligence) Group โ€‚โ€‚โ€‚Advisor: Yun Wang and Haidong Zhang

๐Ÿ† Selected Awards

  • The Fudan University Dong Scholarship. 2025
  • Award of โ€œAnalysis-Driven Interaction Designโ€ in IEEE VAST Challenge. 2024
  • China National Scholarship. 2023
  • Outstanding Graduate of FDU. 2023
  • Second Price in Doctoral Forum of SDS๏ผŒFDU. 2022
  • Scholarship for Elite Ph.D. Program of FDU. Begin from 2022.
  • Outstanding Innovation Award of SIST, FDU. 2022
  • National Second Prize in China Undergraduate Mathematical Contest in Modeling (CUMCM). 2020
  • Outstanding Student Scholarship of FDU. 2020, 2021, 2022
  • Outstanding Student and Outstanding League Member of FDU. 2020, 2021, 2022
  • First-class Scholarship for Freshmen of FDU. 2019

๐Ÿค Service

  • Session Chair: China-R Conference (AI+VIS Session) 2023
  • Program Committee: ACM CHI Poster 2026, ACM IUI 2026
  • Journal Reviewer: IEEE TVCG, ACM TiiS, Neurocomputing, Visual Informatics
  • Conference Reviewer: VIS 2025 (with two โ€˜highly usefulโ€™ notations), CHI 2024-2026 (with three Special Recognitions), IUI 2025-2026, CogSci 2025, C&C 2025 (with one Special Recognition), PacificVis 2024-2026, ChinaVis 2023-2025
  • Conference Volunteer: IEEE VIS 2023
  • Teaching Assistant: Image Processing and Data Visualization (honored course) 2023 Fall, Approaching Artificial Intelligence 2024 Fall