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Bibliographic Item (1.0)

LamsweerdeLetier00

  1. Axel van Lamsweerde & Emmanuel Letier
  2. Handling Obstacles in Goal-Oriented Requirements Engineering
  3. IEEE Trans Software Engineering V26n9(Sep 2000)pp978-1005
  4. =CASESTUDY REQUIREMENTS REFINEMENT EXCEPTIONS TEMPORAL LOGIC KAOS
  5. Requirements can assume too much reliability in parts of system.
  6. Should calculate things that can go wrong and allow for them in their requirements.
  7. p983: "an obstacle defines a set of undesirable behavior; a negative scenario produces a behavior in this set". Obstacles imply a goal is not met but obstacles must not be inconsistent with the domain - exists a scenario
  8. Goals have form "at all times...." but obstacles have form : "at some time...." [KjaerMadsen95]
  9. user anti-story!

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