From public views to private views: correctness-by-design for services

W.M.P. Aalst, van der, N. Lohmann, P. Massuthe, C. Stahl, K. Wolf

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Service orientation is a means for integrating across diverse systems. Each resource, whether an application, system, or trading partner, can be accessed as a service. The resulting architecture, often referred to as SOA, has been an important enabler for interorganizational processes. Apart from technological issues that need to be addressed, it is important that all parties involved in such processes agree on the "rules of engagement". Therefore, we propose to use a contract that specifies the composition of the public views of all participating parties. Each party may then implement its part of the contract such that the implementation (i.e., the private view) accords with the contract. In this paper, we define a suitable notion of accordance inspired by the asynchronous nature of services. Moreover, we present several transformation rules for incrementally building a private view such that accordance with the contract is guaranteed by construction. These rules include adding internal tasks as well as the reordering of messages and are therefore much more powerful than existing correctness-preserving transformation rules.
Original languageEnglish
Title of host publicationProceedings of the 4th International Workshop on Web Services and Formal Methods, 28-29 September 2007, Brisbane, Australia
EditorsM. Dumas, H. Heckel
Place of PublicationBrisbane, Australia
Publication statusPublished - 2007
Eventconference; 4th workshop web services and formal methods; 2007-09-28; 2007-09-29 -
Duration: 28 Sept 200729 Sept 2007


Conferenceconference; 4th workshop web services and formal methods; 2007-09-28; 2007-09-29
Other4th workshop web services and formal methods


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