As an important aspect of grid security, access control model gets more and more attention. Entities in virtual organizations (VOs) must establish a dynamic, secure and cooperative...
Extensible systems, such as Java or the SPIN extensible operating system, allow for units of code, or extensions, to be added to a running system in almost arbitrary fashion. Exte...
Pervasive environments can be hard to configure and interact with using handheld computing devices, due to the mismatch between physical and digital worlds. Usually, smart resourc...
Next generation networks are commonly associated with open service creation environments such as OSA, Parlay or JAIN. These environments make the capabilities provided by telecomm...
Presence-sharing is an emerging platform for mobile applications, but presence-privacy remains a challenge. Privacy controls must be flexible enough to allow sharing between both ...