Proactively providing services to mobile individuals is essential for emerging ubiquitous
applications. The major challenge in providing users with proactive services lies in …

The key feature of many emerging pervasive computing applications is to proactively
provide services to mobile individuals. One major challenge in providing users with …

This article presents a hierarchical context monitoring and composition framework that
effectively supports next-generation context-aware services. The upcoming ubiquitous …

With the explosive proliferation of mobile devices such as smartphones, tablets, and sensor
nodes, location-based services are getting even more attention than before, considered as …

In this paper, we introduce Activity Travel Pattern (ATP) monitoring in a large-scale city
environment. ATP represents where city residents and vehicles stay and how they travel …

In this paper, we present BMQ-Processor, a high-performance border-crossing event (BCE)
detection framework for large-scale monitoring applications. We first characterize a new …

Designing data structures for use in mobile devices requires attention on optimising data
volumes with associated benefits for data transmission, storage space and battery use. For …

As location-aware mobile devices such as smartphones have now become prevalent,
people are able to easily record their trajectories in daily lives. Such personal trajectories …

Data streams refers to uninterrupted flow of long sequence of data, eg stock quotes, e-
commerce data, system logs, sensor networks, network traffic management, etc. A wide …

Query performance issues over semi-structured data have led to the emergence of
materialised XML views as a means of restricting the data structure processed by a query …