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1.	Ericsson, AnnMarie, et al. (author) Seamless Formal Verification of Complex Event Processing Applications 2007 In: DEBS '07. - New York : Association for Computing Machinery (ACM). - 9781595936653 ; , s. 50-61, s. 50-61 Conference paper (peer-reviewed)abstract Despite proven successful in previous projects, the use of formal methods for enhancing quality of software is still not used in its full potential in industry. We argue that seamless support for formal verification in a high-level specification tool enhances the attractiveness of using a formal approach for increasing software quality.Commercial Complex Event Processing (CEP) engines often have support for modelling, debugging and testing CEP applications. However, the possibility of utilizing formal analysis is not considered.We argue that using a formal approach for verifying a CEP system can be performed without expertise in formal methods. In this paper, a prototype tool REX is presented with support for specifying both CEP systems and correctness properties of the same application in a high-level graphical language. The specified CEP applications are seamlessly transformed into a timed automata representation together with the high-level properties for automatic verification in the model-checker UPPAAL.

Ericsson, AnnMarie, et al. (author)
Seamless Formal Verification of Complex Event Processing Applications
2007
In: DEBS '07. - New York : Association for Computing Machinery (ACM). - 9781595936653 ; , s. 50-61, s. 50-61
Conference paper (peer-reviewed)abstract
- Despite proven successful in previous projects, the use of formal methods for enhancing quality of software is still not used in its full potential in industry. We argue that seamless support for formal verification in a high-level specification tool enhances the attractiveness of using a formal approach for increasing software quality.Commercial Complex Event Processing (CEP) engines often have support for modelling, debugging and testing CEP applications. However, the possibility of utilizing formal analysis is not considered.We argue that using a formal approach for verifying a CEP system can be performed without expertise in formal methods. In this paper, a prototype tool REX is presented with support for specifying both CEP systems and correctness properties of the same application in a high-level graphical language. The specified CEP applications are seamlessly transformed into a timed automata representation together with the high-level properties for automatic verification in the model-checker UPPAAL.

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