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Erschienen in:
2007 | OriginalPaper | Buchkapitel
A Calculus for Orchestration of Web Services
verfasst von : Alessandro Lapadula, Rosario Pugliese, Francesco Tiezzi
Erschienen in: Programming Languages and Systems
Verlag: Springer Berlin Heidelberg
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We introduce
COWS
(
Calculus for Orchestration of Web Services
), a new foundational language for SOC whose design has been influenced by
WS-BPEL
, the
de facto
standard language for orchestration of web services.
COWS
combines in an original way a number of ingredients borrowed from well-known process calculi, e.g. asynchronous communication, polyadic synchronization, pattern matching, protection, delimited receiving and killing activities, while resulting different from any of them. Several examples illustrates
COWS
peculiarities and show its expressiveness both for modelling imperative and orchestration constructs, e.g. web services, flow graphs, fault and compensation handlers, and for encoding other process and orchestration languages.