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376
@InProceedings{2013:Casanova/Garlan,
      AUTHOR = {Casanova, Paulo and Garlan, David and Schmerl, Bradley and Abreu, Rui},
      TITLE = {Diagnosing architectural run-time failures},
      YEAR = {2013},
      MONTH = {20-21 May},
      BOOKTITLE = {Proceedings of the 8th International Symposium on Software Engineering for Adaptive and Self-Managing Systems},
      PDF = {http://acme.able.cs.cmu.edu/pubs/uploads/pdf/darf.pdf},
      ABSTRACT = {Self-diagnosis is a fundamental capability of self-adaptive systems. In order to recover from faults, systems need to know which part is responsible for the incorrect behavior. In previous work we showed how to apply a design-time diagnosis technique at run time to identify faults at the architectural level of a system. Our contributions address three major shortcomings of our previous work: 1) we present an expressive, hierarchical language to describe system behavior that can be used to diagnose when a system is behaving different to expectation; the hierarchical language facilitates mapping low level system events to architecture level events; 2) we provide an automatic way to determine how much data to collect before an accurate diagnosis can be produced; and 3) we develop a technique that allows the detection of correlated faults between components. Our results are validated experimentally by injecting several failures into a system and accurately diagnosing them using our algorithm.},
      NOTE = {Received SEAMS 2013 Best Paper Award},
      KEYWORDS = {Diagnosis, Self-adaptation}
}

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