Timed Property Sequence Chart

  • Authors:
  • Pengcheng Zhang;Bixin Li;Lars Grunske

  • Affiliations:
  • School of Computer Science and Engineering, Southeast University, China and College of Computer and Information Engineering, Hohai University, China;School of Computer Science and Engineering, Southeast University, China;Faculty of ICT, Swinburne University of Technology, Hawthorn, VIC 3122, Australia

  • Venue:
  • Journal of Systems and Software
  • Year:
  • 2010

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Abstract

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 are very important and need to be specified clearly. Thus, in this paper, we define timed PSC (TPSC) and give the semantics of TPSC in terms of Timed Buchi Automaton (TBA). Then, we measure the expressive power of TPSC based on the recently proposed real-time specification patterns. Finally, we illustrate the use of TPSC in the context of a web service application which requires timing requirements.