Volume 4 Number 8 (Oct. 2009)
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JSW 2009 Vol.4(8): 833-842 ISSN: 1796-217X
doi: 10.4304//jsw.4.8.833-842

Sharing Choreographies in OpenKnowledge: A Novel Approach to Interoperability

Paolo Besana1, Vivek Patkar2, Adam Barker3, David Robertson1 and David Glasspool1
1University of Edinburgh
2University College London
3University of Oxford

Abstract—As computer systems grow in size and complexity, their integration, while a necessity, becomes more difficult. Service oriented architectures and middleware systems in general deal with the issue by decoupling the components. However, these architectures are still designed and enacted from a centralised perspective: a single process invokes remote services, unaware of being part of a larger, more complex workflow. We claim that the orchestration-based approach does not scale well with increasing complexity and heterogeneity of the components, such as those required in the enactment of medical guidelines and workflows. Medical guidelines encode different aspects of a medical procedures, and they specify different level of abstraction in the procedure. They have to be adapted to the realities of different clinics and hospitals, to advances in knowledge, and to the changing of available resources within an institution. We address the problem of representing and enacting medical guidelines using a fully distributed approach. The framework provided by OpenKnowledge, based on sharing choreographies among actors, allows the representation and enactment of the coordination aspect of guidelines and the discovery of the medical knowledge provided by the distributed actors.

Index Terms—service oriented architecture, semantic service composition, service choreography, health informatics

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Cite: Paolo Besana, Vivek Patkar, Adam Barker, David Robertson and David Glasspoo, "Sharing Choreographies in OpenKnowledge: A Novel Approach to Interoperability," Journal of Software vol. 4, no. 8, pp. 833-842, 2009.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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