Efficient evaluation of XML queries requires the determination of whether a relationship
exists between two elements. A number of labeling schemes have been designed to label …

This paper reports on the main results of a specific action on mobile databases conducted
by CNRS in France from October 2001 to December 2002. The objective of this action was …

We propose a novel method to recognize symbols of the American Sign Language alphabet
(AZ) that have static gestures. Many of the existing systems require the use of special data …

An embedded system is an application specific electronic subsystem used in a larger system
such as an appliance, an instrument or a vehicle. An embedded system is generally made of …

Les réseaux ad hoc sont des réseaux distribués, auto-organisés ne nécessitant pas
d'infrastructure. Les entités formant un tel réseau doivent collaborer afin d'assurer le bon …

The need to continue to work in a mobile environment raises the problem of data availability
in the presence of disconnections. Our approach aiming at solving this problem is to make a …

As personal devices (PDAs, hand-held computers and smart-phones) become more and
more indispensable in our professional and personal life, the need to deal with network …

In mobile environments, mobile terminals are subject to disconnections, for instance, when
moving out of the range of a base station. In addition, users execute distributed applications …

The subscription covering optimization, whereby a general subscription quenches the
forwarding of more specific ones, is a common technique to reduce network traffic and …

Traditional e-learning scenarios are based on a client/server architecture and are not
primarily designed for mobile scenarios. To offer e-learning in mobile scenarios, difficult …