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In this paper we show how we can translate Web Services described by WS-CDL into a timed automata orchestration, and more specifically we are interested in Web services with time restrictions. Our starting point are Web Services descriptions written in WSBPEL -WSCDL (XML-based description languages). These descriptions are then automatically translated into timed automata, and then, we use a well known tool that supports this formalism (UPPAAL) to simulate and analyse the system behaviour. As illustration we take a particular case study, an airline ticket reservation system.

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