1. Workflow Management Coalition the Workflow Reference Modelhttp://www.e-workflow.org/standards/
2. Pervasive enablement of business processes
3. Towards context-aware workflowshttp://www-iaas.informatik.uni-stuttgart.de/RUS-data/INPROC-2007-18%20-%20Context4BPEL.pdf
4. Visual support for work assignment in process-aware information systems: Framework formalisation and implementation