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Goal-Based Modeling of Dynamically Adaptive System Requirements

Goldsby, Heather J. and Sawyer, Peter and Bencomo, Nelly and Hughes, Daniel and Cheng, Betty H.C. (2008) Goal-Based Modeling of Dynamically Adaptive System Requirements. In: 15th Annual IEEE International Conference and Workshop on the Engineering of Computer Based Systems, 2008. ECBS 2008. IEEE Publishing, pp. 36-45. ISBN 0-7695-3141-5

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Abstract

Self-adaptation is emerging as an increasingly important capability for many applications, particularly those deployed in dynamically changing environments, such as ecosystem monitoring and disaster management. One key challenge posed by dynamically adaptive systems (DASs) is the need to handle changes to the requirements and corresponding behavior of a DAS in response to varying environmental conditions. Berry et al. previously identified four levels of RE that should be performed for a DAS. In this paper, we propose the levels of RE for modeling that reify the original levels to describe RE modeling work done by DAS developers. Specifically, we identify four types of developers: the system developer, the adaptation scenario developer, the adaptation infrastructure developer, and the DAS research community. Each level corresponds to the work of a different type of developer to construct goal model(s) specifying their requirements. We then leverage the levels of RE for modeling to propose two complementary processes for performing RE for a DAS. We describe our experiences with applying this approach to GridStix, an adaptive flood warning system, deployed to monitor the River Ribble in Yorkshire, England.

Item Type: Contribution in Book/Report/Proceedings
Uncontrolled Keywords: dynamically adaptive systems ; goal modeling ; model driven development ; requirements engineering
Subjects: Q Science > QA Mathematics > QA76 Computer software
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 53547
Deposited By: ep_importer_pure
Deposited On: 13 Apr 2012 09:30
Refereed?: No
Published?: Published
Last Modified: 10 Apr 2014 00:59
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/53547

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