UML is a modeling language that most developers employed during design phase. UML provides various types of diagrams used for specifying both the structure and the behavior of sys...
Flexible workflow systems are needed for processes that need consistency as well as flexibility (e.g., personalized client interactions). A methodology for designing flexible serv...
This paper deals with estimating small tail probabilities of the steady-state waiting time in a GI/GI/1 queue with heavy-tailed (subexponential) service times. The problem of esti...
Nowadays, UML is considered to be the standardized language for object-oriented modeling and analysis. However, UML cannot be used for automatic analyses and simulation. In this pa...
Elhillali Kerkouche, Allaoua Chaoui, El Bay Bouren...
In recent years, workflow technology has greatly facilitated business process modeling and reengineering in information systems. On one hand, the separation of an application'...