A reference model for workflow application development processes
WACC '99 Proceedings of the international joint conference on Work activities coordination and collaboration
Adding Flexibility in a Cooperative Workflow Execution Engine
HPCN Europe 2000 Proceedings of the 8th International Conference on High-Performance Computing and Networking
Anticipation to Enhance Flexibility of Workflow Execution
DEXA '01 Proceedings of the 12th International Conference on Database and Expert Systems Applications
Teamware: An Evaluation of Key Technologies and Open Problems
Distributed and Parallel Databases
Distributed and Parallel Databases
Flexible Support of Team Processes by Adaptive Workflow Systems
Distributed and Parallel Databases
State-Based Modeling Of Flexible Workflow Executions In Distributed Environments
Journal of Integrated Design & Process Science
An Open Architecture For Adaptive Workflow Management Systems
Journal of Integrated Design & Process Science
Integration and verification of semantic constraints in adaptive process management systems
Data & Knowledge Engineering
Towards A Dynamic Healthcare Process: From Requirement Capture To Simulation
Journal of Integrated Design & Process Science
Collaboration-Oriented Knowledge Management Using Interaction Patterns
PAKM '08 Proceedings of the 7th International Conference on Practical Aspects of Knowledge Management
Process Materialization Using Templates and Rules to Design Flexible Process Models
RuleML '09 Proceedings of the 2009 International Symposium on Rule Interchange and Applications
Supporting ad-hoc changes in distributed workflow management systems
OTM'07 Proceedings of the 2007 OTM Confederated international conference on On the move to meaningful internet systems: CoopIS, DOA, ODBASE, GADA, and IS - Volume Part I
Semantic correctness in adaptive process management systems
BPM'06 Proceedings of the 4th international conference on Business Process Management
Design and management of flexible process variants using templates and rules
Computers in Industry
Aspect-Oriented workflow languages
ODBASE'06/OTM'06 Proceedings of the 2006 Confederated international conference on On the Move to Meaningful Internet Systems: CoopIS, DOA, GADA, and ODBASE - Volume Part I
Transactional behavior of a workflow instance
ODBASE'06/OTM'06 Proceedings of the 2006 Confederated international conference on On the Move to Meaningful Internet Systems: CoopIS, DOA, GADA, and ODBASE - Volume Part I
Process Evolution in a Distributed Process Execution Environment
International Journal of Information System Modeling and Design
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While today's workflow management systems are well suited for the controlled execution of completely specified processes, support for dynamically changing processes is rather weak. However, new applications in the business domain and in non-traditional domains like the natural sciences or laboratory environments require support for flexibility like user interventions in workflow executions and dynamic modifications. Based on an activity meta model and an activity instance model, this paper discusses dynamic modifications and user interventions and shows how their implications to activity models and to concurrent and future activity instances can be described. Finally, we show how the basic concepts presented in this paper are realized in a prototypical implementation.