New-generation mobile devices will inevitably be employed within the realm of ubiquitous
sensing. In particular, smartphones have been increasingly used for human activity …

As the availability and use of wearables increases, they are becoming a promising platform
for context sensing and context analysis. Smartwatches are a particularly interesting platform …

With the prevalence of smart mobile devices with multiple sensors, the commercial
application of intelligent context-aware services becomes more and more attractive …

This paper presents a novel framework that includes an inhomogeneous (time-variant)
Hidden Markov Model (HMM) and learning from data concepts. The framework either …

In recent years, there has been a significant growth of context-aware applications, which
extract the user's context from multiple embedded sensors in smartphones and wearable …

Energy consumption is a major concern in context-aware smartphone sensing. This paper
first studies mobile device-based battery modeling, which adopts the kinetic battery model …

The disruptive innovation of smartphone technology has enabled the development of mobile
sensing applications leveraged on specialized sensors embedded in the device. These …

The emergence of seamless mobile navigation systems integrating various Internet of
Things (IoT) devices has sparked interest in context awareness enhancement technology. In …

Monitoring context depends on continuous collection of raw data from sensors which are
either embedded in smart mobile devices or worn by the user. However, continuous sensing …

Monitoring a user's mobility during daily life is an essential requirement in providing
advanced mobile services. While extensive attempts have been made to monitor user …