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RELAX: Incorporating Uncertainty into the Specification of Self-Adaptive Systems

Whittle, Jon and Sawyer, Peter and Bencomo, Nelly and Cheng, B. H. C. and Bruel, J-M (2009) RELAX: Incorporating Uncertainty into the Specification of Self-Adaptive Systems. In: Proceedings of the 17th IEEE International Requirements Engineering Conference (RE '09). IEEE Publishing, pp. 79-88. ISBN 978-0-7695-3761-0

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Abstract

Self-adaptive systems have the capability to autonomously modify their behavior at run-time in response to changes in their environment. Self-adaptation is particularly necessary for applications that must run continuously, even under adverse conditions and changing requirements; sample domains include automotive systems, telecomm-unications, and environmental monitoring systems. While a few techniques have been developed to support the monitoring and analysis of requirements for adaptive systems, limited attention has been paid to the actual creation and specification of requirements of self-adaptive systems. As a result, self-adaptivity is often constructed in an ad-hoc manner. In this paper, we argue that a more rigorous treatment of requirements explicitly relating to self-adaptivity is needed and that, in particular, requirements languages for self-adaptive systems should include explicit constructs for specifying and dealing with the uncertainty inherent in self-adaptive systems. We present RELAX, a new requirements language for selfadaptive systems and illustrate it using examples from the smart home domain.

Item Type: Contribution in Book/Report/Proceedings
Additional Information: © 2009 IEEE
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: UNSPECIFIED
ID Code: 42547
Deposited By: ep_importer_comp
Deposited On: 11 Nov 2010 10:47
Refereed?: No
Published?: Published
Last Modified: 23 Jul 2014 15:15
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/42547

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