Projects Social signal processing for performance evaluation and decision support in professional face-to-face interaction Automating adherence and efficacy detection in clinical depression treatment using mobile sensing and machine learning Characterizing daily social context using personal smartphone Bluetooth logs and digital communication metadata Multi-modal wellbeing sensing and computing: mobility pattern, sleep quality, physical activity, circadian rhythm, and indoor environment Mining population-level social media and digital journalism data for societal event prediction and civil crisis early warning Inferring individual behavioral tendencies in group interaction networks in socio-technical systems