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Vassilis Kostakos

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titleconferencedate
Passive Health Monitoring Using Large Scale Mobility DataUbiComp 20212021-09-21
Uses mobility traces from 2112 users collected for about two months, extracts 16 features (radius of gyration, displacement std, visit entropy, POI counts)…
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Assessing Cognitive Performance Using Physiological and Facial Features: Generalizing Across ...UbiComp 20212021-09-21
123 participants across four very different tasks (Pac‑Man, adaptive assessment, code debugging, gaze‑controlled game) produce facial action units and VGG16…
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Probing Sucrose Contents in Everyday Drinks Using Miniaturized Near-Infrared Spectroscopy ScannersUbiComp / ISWC 20202020-09-12
A handheld system combines a standalone mobile NIRS scanner with a 3D-printed clamp that clips onto a straw or tube to noninvasively scan liquids. Evaluation…
Talk
Quantifying Sources and Types of Smartwatch Usage SessionsCHI 20172017-05-06
Dataset of 307 Android users collected with the Insightful app yields 2.8 million notifications and 800,000 screen events and shows smartwatches generate very…
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