Understanding and Using Context
Personal and Ubiquitous Computing
Designing information systems in social context: a goal and scenario modelling approach
Information Systems - Special issue: The 14th international conference on advanced information systems engineering (CAiSE*02)
Reasoning about Uncertain Contexts in Pervasive Computing Environments
IEEE Pervasive Computing
Towards a taxonomy of software change: Research Articles
Journal of Software Maintenance and Evolution: Research and Practice - Unanticipated Software Evolution
Journal of Computational and Applied Mathematics
Automatically Generating Behavioral Models of Adaptive Systems to Address Uncertainty
MoDELS '08 Proceedings of the 11th international conference on Model Driven Engineering Languages and Systems
An Aspect-Oriented and Model-Driven Approach for Managing Dynamic Variability
MoDELS '08 Proceedings of the 11th international conference on Model Driven Engineering Languages and Systems
Adding Standardized Variability to Domain Specific Languages
SPLC '08 Proceedings of the 2008 12th International Software Product Line Conference
Software Engineering for Self-Adaptive Systems: A Research Roadmap
Software Engineering for Self-Adaptive Systems
Computer
MODELS '09 Proceedings of the 12th International Conference on Model Driven Engineering Languages and Systems
From goals to high-variability software design
ISMIS'08 Proceedings of the 17th international conference on Foundations of intelligent systems
FUSION: a framework for engineering self-tuning self-adaptive software systems
Proceedings of the eighteenth ACM SIGSOFT international symposium on Foundations of software engineering
Analyzing goal models: different approaches and how to choose among them
Proceedings of the 2011 ACM Symposium on Applied Computing
Taming uncertainty in self-adaptive software
Proceedings of the 19th ACM SIGSOFT symposium and the 13th European conference on Foundations of software engineering
Context-Aware Autonomous Web Services in Software Product Lines
SPLC '11 Proceedings of the 2011 15th International Software Product Line Conference
Feature models, grammars, and propositional formulas
SPLC'05 Proceedings of the 9th international conference on Software Product Lines
Towards requirements aware systems: Run-time resolution of design-time assumptions
ASE '11 Proceedings of the 2011 26th IEEE/ACM International Conference on Automated Software Engineering
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Model-driven techniques have proven to yield significant benefits for context-aware systems. Specifically, semantically-rich models are used at runtime to monitor the system context and guide necessary changes. Under the closed-world assumption, adaptations are fully known at design time. Nevertheless, it is difficult to foresee all the possible situations that may arise in uncertain and complex contexts. In this paper, we present a model-based framework to support the dynamic evolution of context-aware systems to deal with unexpected context events in the open world. If model adaptations are not enough to solve uncertainty, our model-based evolution planner guides the evolution of the supporting models to preserve high-level requirements. A case study about a context-aware Web service composition, which is executed in a distributed computing infrastructure, illustrates the applicability of our framework. A realization methodology and a prototype system support our approach.