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@InProceedings{MISE2009,
      AUTHOR = {Chaki, Sagar and Diaz-Pace, Andres and Garlan, David and Garfunkel, Arie and Ozkaya, Ipek},
      TITLE = {Towards Engineered Architecture Evolution},
      YEAR = {2009},
      MONTH = {May},
      BOOKTITLE = {Workshop on Modeling in Software Engineering 2009},
      PDF = {http://acme.able.cs.cmu.edu/pubs/uploads/pdf/ICSE2009_MISE_2013_Chaki_Sagar-1.pdf},
      ABSTRACT = {Architecture evolution, a key aspect of software evolution,
is typically done in an ad hoc manner, guided only
by the competence of the architect performing it. This process
lacks the rigor of an engineering discipline. In this
paper, we argue that architecture evolution must be engineered
— based on rational decisions that are supported by
formal models and objective analyses. We believe that evolutions
of a restricted form — close-ended evolution, where
the starting and ending design points are known a priori —
are amenable to being engineered. We discuss some of the
key challenges in engineering close-ended evolution. We
present a conceptual framework in which an architecture
evolutionary trajectory is modeled as a sequence of steps,
each captured by an operator. The goal of our framework is
to support exploration and objective evaluation of different
evolutionary trajectories. We conclude with open research
questions in developing this framework.},
      KEYWORDS = {Architecture Evolution}
}