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An Architectural Approach to End User Orchestrations

Vishal Dwivedi, Perla Velasco Elizondo, Jose Maria Fernandes, David Garlan and Bradley Schmerl.

In Proceedings of the 5th European Conference on Software Architecture, 13-16 September 2011.

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Computations are pervasive across many domains, where end users have to compose various heterogeneous computational entities to perform professional activities. Service-Oriented Architecture (SOA) is a widely used mechanism that can support such forms of compositions as it allows heterogeneous systems to be wrapped as services that can then be combined with each other. However, current SOA orchestration languages require writing scripts that are typically too low-level for end users to write, being targeted at professional programmers and business analysts. To address this problem, this paper proposes an approach based on an architectural-style for service orchestration using an end user specification style called SCORE. SCORE uses high-level constructs that can be tailored for different domains and automatically translated into executable constructs by tool support. We demonstrate the usefulness of SCORE across two domains dynamic network analysis and neuroscience, where users are intelligence analysts and scientists respectively. They can use an architectural style based vocabulary as a basis of their domain-specific

Keywords: Architectural Style, Service Composition, Software Architecture, SORASCS.  
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