From Centralized Workflow Specification to Distributed WorkflowExecution
Journal of Intelligent Information Systems - Special issue on workflow management systems
Filtering algorithms and implementation for very fast publish/subscribe systems
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
The Mentor Project: Steps Toward Enterprise-Wide Workflow Management
ICDE '96 Proceedings of the Twelfth International Conference on Data Engineering
TelegraphCQ: continuous dataflow processing
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Design and Evaluation of an Autonomic Workflow Engine
ICAC '05 Proceedings of the Second International Conference on Automatic Computing
Network-Aware Operator Placement for Stream-Processing Systems
ICDE '06 Proceedings of the 22nd International Conference on Data Engineering
Implementing Diverse Messaging Models with Self-Managing Properties using IFLOW
ICAC '06 Proceedings of the 2006 IEEE International Conference on Autonomic Computing
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The management of Service Level Agreements (SLA) in the development of business processes in a Service Oriented Architecture (SOA) often requires much manual and errorprone effort by all parties throughout the lifecycle of the processes. The formal specification of SLAs into development tools can simplify some of this effort. In particular, the runtime provisioning and monitoring of processes can be achieved by an autonomic system that adapts to changing conditions to maintain the SLA's goals. A cost model allows the efficient execution and monitoring of processes, based on a declarative, user-specified optimality function. Experiments demonstrate that the system can indeed adapt to changing workload conditions, saving roughly 70% of the network bandwidth in one particular experiment.