Active systems are emerging in many fields, being particularly interesting those like Active Database Management Systems which always provide some kind of reactive capabilities. I...
Context is a critical element in forming the performance of interactive systems. As the functional diversity and range of use context of the system increase, context sensitivity b...
Many mobile applications can be greatly enhanced when provided with the locations of people and devices. Ultrasonic location systems have been shown to supply location information...
In a password-based authentication system, to authenticate a user, a server typically stores password verification data (PVD), which is a value derived from the user’s password...
— Any system that has the capability to diagnose and recover from faults is considered to be a fault-tolerant system. Additionally, the quality of the incorporated fault-toleranc...