Human-AI Interaction and Visualization


2022.1) Congratulations! Our paper on Data-driven Storytelling with AI is accepted for publication in IEEE TVCG (top-tier, first author: Minjeong Shin, Visiting Scholar). She will present her work at VIS 22 (Oklahoma City, OK, USA).

2022.1) Congratulations! Our paper on neural memory networks for traffic forecasting is accepted for publication in ICLR (top-tier, first author: Hyunwook Lee, MS-Phd student). He will present his work at the conference (virtual) in April.

2022. 1) I am visiting UC Davis, CA, USA (2022/2~2023/2) for research collaboration with Dr. Kwan-Liu Ma (host).

2022. 1) I serve as a program committee member at a CHI'22 workshop--"Computational Approaches for Understanding, Generating, and Adapting User Interfaces" (workshop web page:

Sungahn Ko (고성안)

Associate Professor

Graduate School of Artificial Intelligence (AI)

School of Computer Science and Engineering

UNIST (Ulsan National Institute of Science & Technology), Korea

Office: Bldg. 106 401-10, Fax: 052-217-2128



  • Ph.D., Purdue Univ., 2014 (Advisor: Dr. David Ebert)

  • M.S., KAIST, 2008 (Advisor: Dr. Kyu Ho Park)

  • B.E., Korea Univ., 2006

Current Research Interests:

  • Deep Learning Research

    • Traffic AI & Mobility AI

      • Traffic Speed Prediction Model (ACM CIKM 20 [PDF], IEEE ICDE 21 [PDF])

      • Neural Memory Networks (ICLR 22 [to appear])

      • (Personalized) Travel Time Estimation

      • Passenger Demand Prediction

      • Urban Event & Accident Prediction Model

      • Self-Supervised/Contrastive/Meta Learning

    • Multi-modal Learning

      • AI Music Generation

      • AI for Automated Video Summarization

    • Deep Learning-based recommender systems

    • Deep Learning for Investment

  • AI+Visual Analytics/Visualization

    • Visualization System Design

      • Visual Traffic Analysis and Prediction (IEEE TVCG 20 [PDF] [Video] [Talk])

      • Visualization System for Learning History (IEEE TVCG 21 [PDF])

    • Data-driven Journalism

    • Storytelling

      • Visual Animation Design Tool for Storytelling (IEEE TVCG 21 [to appear])

  • AI+HCI (Computational UI/UX/Design, Social/Mobile Computing)

    • Human Behavior Analysis, Change, and Modeling



MS-Phd: 이현욱, 김주희

MS: 최승형, 주혜신, 임홍규

Intern: 김성욱, 김용현

Visiting Scholar:

Minjeong Shin (Australian National University)

Research Programmer:



Engineering Programming (2017 Spr)

Object-oriented programming (2016 Spr, 2017 Fall, 2018 Fall, 2019 Spr)

Information Visualization (2016 Fall, 2019 Fall, 2020 Spr, 2021 Spr), Human-Computer Interaction (2018 Spr, 2021 Spr)

Mobile Computing (2020 Fall)

Visual Analytics (2016 Fall, 2017 Fall), Advanced Human-Computer Interaction (2018 Spr, 2020 Spr), Advanced Information Visualization (2019 Spr)

*Program Committee:

IEEE Pacific Visualization: Program Committee (2020-2022), Visualization Notes Committee (2018-2022), Sponsorship chair (2017)

Korea Computer Graphics Society, Executive Director (2021), Program Committee (2016--Present)

CHI Workshop (2022)

*Paper Reviewer:

IEEE VIS 2016-2021 (VIS Short, 2020-2021)

ACM Symposium on User Interface Software and Technology (UIST), 2021

IEEE Transactions on Visualization and Computer Graphics (TVCG), 2021

EG/VGTC Conference on Visualization (EuroVis), 2017, 2020-2022

ACM CHI Conference on Human Factors in Computing Systems (CHI), 2019, 2021, 2022

IEEE Pacific Visualization 2017-2022

Computer Graphics Forum (CGF), 2021

IEEE Transactions on Intelligent Transportation Systems (ITS), 2016, 2019, 2020

ACM Conference on Computer-Supported Cooperative Work and Social Computing (CSCW), 2020, 2021

ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp/IWMUT), 2020, 2021

International AAAI Conference on Web and Social Media (ICWSM), 2021

IEEE Pervasive Computing, 2021

Hawaii International Conference on System Sciences (HICSS), 2018--2021

ACM Conference on Tangible, Embedded and Embodied Interaction (TEI), 2020

ACM Designing Interactive Systems (DIS), 2018

IEEE Computer Graphics and Applications (CG&A), 2017

*Community Service

Ulsan Smart City Project Committee Member 울산시 스마트도시사업협의회 위원 (2021~)



UNIST Address: 401-10, Bldg. 106, UNIST-gil 50, Ulsan 44919, Republic of Korea.

우편번호 44919, 울산광역시 울주군 언양읍 유니스트길 50, 울산과학기술원, 106동 401-10호

Lab.: 106동 404호