Daniel Afergan
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Rico Open
Data-driven models help mobile app designers understand best practices and trends, and can be used to make predictions about design performance and support the creation of adaptive UIs. This paper presents Rico, the largest repository of m…
Text Entry for Ultra-Small Touchscreens Using a Fixed Cursor and Movable Keyboard Open
Emerging ultra-small wearables like smartwatches pose a design challenge for touch-based text entry, due to the "fat finger" problem, wherein users struggle to select elements much smaller than their fingers. In order to address the challe…
Learn Piano with BACh Open
We present Brain Automated Chorales (BACh), an adaptive brain-computer system that dynamically increases the levels of difficulty in a musical learning task based on pianists' cognitive workload measured by functional near-infrared spectro…
Beyond detection: investing in practical and theoretical applications of emotion + visualization Open
Emotion is a dynamic variable that modulates how we perceive, reason about, and interact with our environment. Recent studies have established that emotion’s influence carries to data analysis and visualization, impacting performance in wa…