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Web service composition is a new paradigm to develop distributed and reactive software-intensive systems. Due to the autonomous attribute of each basic service, validation of composite services must be extended from design time to run-time. In this paper, we describe a novel tool chain called WS-PSC Monitor to monitor temporal and timing properties in composite service based on graphical specification...
Scenario-based specifications have been widely used to specify the behavior of reactive systems in a visual and intuitive way. Timed Property Sequence Chart (TPSC) is a recently proposed scenario-based specification for specifying timing properties for real-time systems. However, there is currently no model checking tool available to verify timing properties specified by TPSC specifications. To mitigate...
Property Sequence Chart (PSC) is a novel scenario-based notation, which has been recently proposed to represent temporal properties of concurrent systems. This language balances expressive power and simplicity of use. However, the current version of PSC just represents the order of events and lacks the ability to express timing properties. In real-time systems, it is well known that these timing requirements...
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