The design of sustainable wireless sensor networks (WSNs) is a very challenging issue. On
the one hand, energy-constrained sensors are expected to run autonomously for long …

Mobile platforms have called for attention from HCI practitioners, and, ever since 2007,
touchscreens have completely changed mobile user interface and interaction design. Some …

The Internet of Things (IoT) is an innovative scheme providing massive applications that
have become part of our daily lives. The number of IoT and connected devices are growing …

Smartphones and tablets have become ubiquitous in our daily lives. Smartphones, in
particular, have become more than personal assistants. These devices have provided new …

Monitoring the road condition has acquired a critical significance during recent years. There
are different reasons behind broadening research on this field: to start with, it will guarantee …

Defines the notion of an activity model learned from sensor data and presents key
algorithms that form the core of the field Activity Learning: Discovering, Recognizing and …

The growing popularity of wearable devices is leading to new ways to interact with the
environment, with other smart devices, and with other people. Wearables equipped with an …

Gait is a biometric trait that can allow user authentication, though it is classified as a “soft”
one due to a certain lack in permanence and to sensibility to specific conditions. The earliest …

Smartphones are inescapable devices, which are becoming more and more intelligent and
context-aware with emerging sensing, networking, and computing capabilities. They offer a …

Human context recognition (HCR) from on-body sensor networks is an important and
challenging task for many healthcare applications because it offers continuous monitoring …