Maintaining Behavioral Consistency during Schema Evolution

@inproceedings{Bergstein1993MaintainingBC,
  title={Maintaining Behavioral Consistency during Schema Evolution},
  author={Paul L. Bergstein and Walter L. H{\"u}rsch},
  booktitle={ISOTAS},
  year={1993}
}
We examine the problem of how to ensure behavioral consistency of an object oriented system after its schema has been updated The problem is viewed from the perspective of both the strongly typed and the untyped language model Solutions are compared in both models using C and CLOS as examples