The rapid advance of wireless and portable computing technology has brought a lot of
research interests and momentum to the area of mobile computing. One of the research …

Location dependent information services (LDISs) are gaining increasing popularity in recent
years. Due to limited client power and intermittent connectivity, caching is an important …

Caching technique has been widely used to accelerate data access for Location Dependent
Information Services (LDISs) in mobile environments. Many existing LDISs focuse primarily …

Caching frequently accessed items on the mobile client is an important technique to
enhance data availability and to improve data access time. Cache replacement policies are …

Location Based Services is considered as a killer application in the wireless data market that
provide information based on locations specified in the queries. We consider wireless data …

Ubiquitous learning receives much attention in these few years due to its wide spectrum of
applications, such as the T-learning application. The learner can use mobile devices to …

Ubiquitous learning receives much attention in these few years due to its wide spectrum of
applications, such as the T-learning application. The learner can use mobile devices to …

We propose in this paper a design of the proxy supporting nearest-neighbor queries. We
also propose several algorithms to create and extend estimate valid regions. An estimate …

Caching frequently accessed items on the mobile client is an important technique to
enhance data availability and to improve data access time. Cache replacement policies are …

The issues that we should consider in the process of providing mobile web service using a
mobile device are seamless service and QoS-guaranteed service. HMIPv6 has MAP …