Ji Won Chung

schoolBrown Universitybar_chart#5248 Global Rank

Total Papers

HCI Rank

#5248

Research Areas

Years Active

Recent Publications

Beyond the Circadian Rhythm: Variable Cycles of Regularity Found in Long-Term Sleep Tracking

Sleep is more than resting eight hours a day---it contextualizes and shapes the routines during the day. Using a large-scale naturalistic dataset of 180,083 people from a popular sleep app, made possible by the widespread adoption of passive tracking, we find that people’s lives have distinct natural rhythms that can…

UIST '244th AuthorData Physicalization +1

PortalInk: 2.5D Visual Storytelling with SVG Parallax and Waypoint Transitions

Efforts to expand the authoring of visual stories beyond the 2D canvas have commonly mapped flat imagery to 3D scenes or objects. This translation requires spatial reasoning, as artists must think in two spaces. We propose PortalInk, a tool for artists to craft and export 2.5D graphical stories while remaining in 2D s…

DIS '231st AuthorAR Navigation & Context Awareness +1

Negotiating Dyadic Interactions through the Lens of Augmented Reality Glasses

Augmented Reality (AR) glasses separate dyadic interactions on different sides of the lens, where the person wearing the glasses (primary user) sees an AR world overlaid on their partner (secondary actor). The secondary actor interacts with the primary user understanding they are seeing both physical and virtual world…

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