Sungahn Ko

schoolUlsan National Institute of Science and Technologybar_chart#6210 Global Rank

Total Papers

HCI Rank

#6210

Research Areas

Years Active

Recent Publications

Unveiling High-dimensional Backstage: A Survey for Reliable Visual Analytics with Dimensionality Reduction

Dimensionality reduction (DR) techniques are essential for visually analyzing high-dimensional data. However, visual analytics using DR often face unreliability, stemming from factors such as inherent distortions in DR projections. This unreliability can lead to analytic insights that misrepresent the underlying data,…

CHI '20CorrespondingPrototyping & User Testing

GUIComp: A GUI Design Assistant with Real-Time, Multi-Faceted Feedback

Users may face challenges while designing graphical user interfaces, due to a lack of relevant experience and guidance. This paper aims to investigate the issues users face during the design process, and how to resolve them. To this end, we conducted semi-structured interviews, based on which we built a GUI prototypin…

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