Grid computing intends to share heterogeneous resources in dynamic service-based environments. This kind of systems has the major advantages of enabling rapid composition of distr...
Workflow Management Systems (WfMS) allow organizations to streamline and automate business processes and reengineer their structure. One important requirement for this type of syst...
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...
Team members usually cooperate on a business process by partitioning it into several activities, which in turn generate one or more work items. Work items either need to be proces...
The evolution of Software Engineering methodology, from waterfall to spiral, from spiral to agile, indicates that high concurrency, iterative development and short cycles are key ...