This thesis focuses on the modularity of workflow process specifications. In particular, it studies the expression support for crosscutting concerns and workflow changes in current workflow languages and workflow management systems. To illustrate the issues, two workflow languages are considered: a visual graphbased language and the Web Service composition language BPEL. This thesis starts by d...

results providing and receiving peer feedback was easy to do, without interruption in daily workflow. the system can be used among the three hospital locations of the healthcare group. it was easy to retrieve and demonstrate cases for group discussion and analysis. a side effect was that the feedback project helped to demonstrate to external stakeholder that the radiologists are eager to work o...