MoDeST: a compositional modeling formalism for hard and softly timed systems

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Bohnenkamp, Henrik and D'Argenio, Pedro R. and Hermanns, Holger and Katoen, Joost-Pieter (2004) MoDeST: a compositional modeling formalism for hard and softly timed systems. [Report]

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Abstract:This paper presents Modest (MOdeling and DEscription language for Stochastic Timed systems), a formalism that is aimed to support (i) the modular description of reactive system's behaviour while covering both (ii) functional and (iii) nonfunctional system aspects such as timing and quality-of-service constraints in a single specification. The language contains features such as simple and structured data types, structuring mechanisms like parallel composition and abstraction, means to control the granularity of assignments, exception handling, and non-deterministic and random branching and timing. Modest can be viewed as an overarching notation for a wide spectrum of models, ranging from labeled transition systems, to timed automata (and probabilistic variants thereof) as well as prominent stochastic processes such as (generalized semi-)Markov chains and decision processes. The paper describes the design rationales and details of the syntax and semantics.
Item Type:Report
Copyright:© 2004 CTIT
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/48984
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