2023.5) I give an invited talk (6/13) on Human-AI Teaming with Visual Interfaces, invited by ETRI.

2023.5) Congratulations! Our paper on visualizatoin thumbnail design is accepted for publication in IEEE TVCG (first author: Hwiyeon Kim [MS student]). She will present the work at IEEE VIS 23 (Melbourne, Australia). 

2023.4) I give an invited talk (7/8) on visual mental healthcare interface and interventions with AI, invited by Seoul Asan Medical Center.

2023.3) We are recruiting interns who participate KDD AI Competition (Sponsored by Amazon) as a team. The competition task is to build multilingual recommendation systems (https://www.aicrowd.com/challenges/amazon-kdd-cup-23-multilingual-recommendation-challenge)

2023.2) I  give an invited talk (4/18) at the Pacific Vis Workshop "Visualization Meets AI 2023" (https://vismeetsai.github.io/).

2023.2) I serve on Technical Program Committees of IEEE VIS 22 and VIS 22 Short.

2023.2) I serve as Associate Chair of a CHI'23 workshop--"Future of Computational Approaches for Understanding & Adapting User Interfaces" (workshop web page: https://sites.google.com/nd.edu/computational-uichi23/home)

2023. 1) I visit the University of Texas at Dallas for a talk and research collaboration on VIS+AI+VR (1/26~1/27) hosted by Prof. Jin Ryong Kim.

2023.1) 임홍규 (M.S.)  현대차 R&D 연구소 입사 축하합니다!

2022.12) Congratulations! Hyunwook Lee is awarded the NAVER Ph.D. fellowship.  

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

Work

• Visiting Professor, UC Davis (Computer Science), CA, USA (2022.3~2023.2), hosted by Prof. Kwan-Liu Ma

• Associate Professor, UNIST, Computer Science and Engineering, 2020~

• Assistant Professor, UNIST, Electrical & Computer Engineering,  2016~2020

• Software Engineer, VinSense (http://www.vinsense.net),  2015

• Post-doc researcher, Purdue VACCINE (http://www.purdue.edu/discoverypark/vaccine/), 2015

Education

•  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 (If you are interested in researching on any topic listed below, please email me):

• Deep Learning Model Research 

  • Spatial-temporal Data Learning

    • Traffic AI & Mobility AI

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

        • Prediction with Neural Memory Networks (ICLR 22 [PDF] )

      • (Personalized) Travel Time Estimation

      • Passenger Demand Prediction

      • Demand Responsive Transport Route and Profit Estimation

  • Time-series Data Learning

    • Loss function design for time-series forecasting 

  • Multi-Modal Data Learning

    • Text/Image/Video Scene Understanding/Generation

  • Recommender Systems with Deep Learning

  • Natural Language Processing

• AI+Visual Analytics/Visualization

  • AI+Visualization System Design

    • Visual Analysis of Attention Models (IEEE VIS 22 [PDF])

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

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

  • Visualization for Data-driven Journalism

    • Visualization Thumbnail Design for News Articles (IEEE VIS 19 [PDF] [Preview]  [Talk])

  • Visualization for Storytelling

    • AI-driven Storytelling Visualization (IEEE TVCG 22 [PDF])

  • Social Data Mining/Computing 

    • Fake News/Misinformation/Disinformation

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

• • Human-AI Interaction

    • Mobile GUI Design: ACM CHI 20 [PDF] [Preview] [Talk]

    • AI Music Generation: ACM CIKM 22 [PDF] [Talk] 

    • Metaverse + Virtual Reality (VR) + NLP + Interaction

• • Human Behavior Analysis, Change, and Modeling

    • Impulse Purchase Prevention UI Design: WWW 21[PDF] [Slides] 

    • Video Browsing Behavior Analysis and Prediction

Lab.: http://ivaderlab.unist.ac.kr/

Students:

MS-Phd: Hyunwook Lee, Joohee Kim

MS: Sungwook Kim

Intern: Ju Won Kim, Duc Minh Nguyen

Research Programmer:

Seungmin Jin

*Courses

Engineering Programming (2017 Spr)

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

Information Visualization (2016 Fall, 2019 Fall, 2020, 2021, 2023 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, 2021 Fall)

*Technical Program Committee:

IEEE VIS (2022, 2023), VIS Short (2022, 2023)

IEEE Pacific Visualization (2020-2023), Visualization Notes Notes Co-Chair (2023), Visualization Notes Committee (2018-2022), Sponsorship chair (2017) 

CHI Workshop on Computational UI Designs (2022-2023) 

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

*Paper Reviewer: 

IEEE VIS  2016-2023, IEEE VIS Short, 2020-2023, IEEE Pacific Visualization  2017-2023

ACM CHI Conference on Human Factors in Computing Systems (CHI), 2019, 2021-2023

IEEE Transactions on Visualization and Computer Graphics (TVCG), 2021, 2023

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

Computer Graphics Forum (CGF), 2021, 2022

Journal of Information Visualization (JVIS), 2022

ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp/IWMUT), 2020~2023

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

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

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

International AAAI Conference on Web and Social Media (ICWSM), 2021, 2023

IEEE Pervasive Computing, 2021

Hawaii International Conference on System Sciences (HICSS), 2020---2023

ACM Conference on Tangible, Embedded and Embodied Interaction (TEI), 2021

ACM Designing Interactive Systems (DIS), 2018

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

Korean Institute of Information Scientists and Engineers (KIISE), 2021-2022

*Community Service

Ulsan City Advisory Council Member 울산광역시 정책 자문 위원회 자문 위원 (2023~)

Ulsan Smart City Project Committee Member  울산시 스마트 도시 사업 협의회 자문 위원 (2021~)

*Links

UNIST CSE: http://cse.unist.ac.kr/

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