: Within the community of CSCW the notion and nature of workflow systems as prescriptions of human work has been debated and criticised. Based on the work of Suchman (1987) the not...
Grid Computing, initially intended to provide access to computational resources for high-performance computing applications, broadened its focus by addressing computational needs o...
The ATLAS Collaboration[1] has been preparing for Large Hadron Collider (LHC) running for more than 20 years. By summer of 2007 we expect the first colliding beams of protons and...
In this paper we present Amadeus, which is a holistic service-oriented environment for QoS-aware Grid workflows. Amadeus considers user's requirements, in terms of QoS constr...
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 ...