Eline Philips
ABSTRACT
Middleware for mashups is currently not able to compose the services residing in a nomadic network. Its transient connections and connection volatility result in a highly dynamic environment where services can appear and disappear at any point in time. The consequence is that these services must be discovered at runtime in an ad hoc fashion and must execute asynchronously to prevent a disconnected service to block the execution of an entire mashup. Orchestrating loosely coupled asynchronously executing services calls for a process-aware approach. This paper proposes the use of workflow patterns to enable a high level specification of the interactions between the mobile services constituting a nomadic mashup.
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Index Terms
- Orchestrating nomadic mashups using workflows
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