Qualitative reasoning: modeling and simulation with incomplete knowledge
Automatica (Journal of IFAC)
From object-oriented to goal-oriented requirements analysis
Communications of the ACM
A comedy of errors: the London Ambulance Service case study
IWSSD '96 Proceedings of the 8th International Workshop on Software Specification and Design
Reconciling System Requirements and Runtime Behavior
IWSSD '98 Proceedings of the 9th international workshop on Software specification and design
Feedback Control of Computing Systems
Feedback Control of Computing Systems
Reasoning about partial goal satisfaction for requirements and design engineering
Proceedings of the 12th ACM SIGSOFT twelfth international symposium on Foundations of software engineering
Automating discovery of software tuning parameters
Proceedings of the 2008 international workshop on Software engineering for adaptive and self-managing systems
Revisiting the Core Ontology and Problem in Requirements Engineering
RE '08 Proceedings of the 2008 16th IEEE International Requirements Engineering Conference
Preference Model Driven Services Selection
CAiSE '09 Proceedings of the 21st International Conference on Advanced Information Systems Engineering
A Case Study in Goal-Driven Architectural Adaptation
Software Engineering for Self-Adaptive Systems
Reasoning About Alternative Requirements Options
Conceptual Modeling: Foundations and Applications
Modeling Domain Variability in Requirements Engineering with Contexts
ER '09 Proceedings of the 28th International Conference on Conceptual Modeling
Self-Repair through Reconfiguration: A Requirements Engineering Approach
ASE '09 Proceedings of the 2009 IEEE/ACM International Conference on Automated Software Engineering
Requirements-driven design and configuration management of business processes
BPM'07 Proceedings of the 5th international conference on Business process management
Requirements trade-offs analysis in the absence of quantitative measures: a heuristic method
Proceedings of the 2011 ACM Symposium on Applied Computing
Awareness requirements for adaptive systems
Proceedings of the 6th International Symposium on Software Engineering for Adaptive and Self-Managing Systems
Composite indicators for business intelligence
ER'11 Proceedings of the 30th international conference on Conceptual modeling
A requirements-based approach for the design of adaptive systems
Proceedings of the 34th International Conference on Software Engineering
WISE'12 Proceedings of the 13th international conference on Web Information Systems Engineering
Managing non-functional uncertainty via model-driven adaptivity
Proceedings of the 2013 International Conference on Software Engineering
Requirements and architectural approaches to adaptive software systems: a comparative study
Proceedings of the 8th International Symposium on Software Engineering for Adaptive and Self-Managing Systems
Requirements-driven software evolution
Computer Science - Research and Development
Uncertainty handling in goal-driven self-optimization - Limiting the negative effect on adaptation
Journal of Systems and Software
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Control Theory and feedback control in particular have been steadily gaining momentum in software engineering for adaptive systems. Feedback controllers work by continuously measuring system outputs, comparing them with reference targets and adjusting control inputs if there is a mismatch. In Control Theory, quantifying the effects of control input on measured output is a process known as system identification. This process usually relies either on detailed and complex system models or on system observation. In this paper, we adopt a Requirements Engineering perspective and ideas from Qualitative Reasoning to propose a language and a systematic system identification method for adaptive software systems that can be applied at the requirements level, with the system not yet developed and its behavior not completely known.