This paper explores building an ultra-low latency and high-accuracy location tracking solution using battery-free tags. While there is rich prior work...

Road surface information (e.g., smooth road or bumpy road with potholes or bumps) is important for safe driving (i.e., it's necessary to be aware of t...

In wearable-based human activity recognition (HAR) research, one of the major challenges is the large intra-class variability problem. The collected a...

Recent research demonstrates the potential of touch dynamics as a usable and privacy-preserving scheme for smartphone authentication. Most existing ap...

Ecological momentary assessment (EMA) is used to gather in-situ self-report on behaviors using mobile devices. Microinteraction EMA (?EMA), is a type...