This paper discusses the evolution of the configurations of a complex design artifact in a distributed concurrent engineering (CE) design environment. A generalized object-oriented model which captures the evolution of configurations and their components will be preseneted. We not only describe the object-oriented model, we also show how the dynamics between a configuration version and its components’ versions is maintained. The notions of version domain and version provenance are introduced to represent the domain-specific versions and to show how an object version arrives in its current state based on the 5W provenances (When, Who, Where, What and Why). A distributed architecture of a CE design environment will be also presented.

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