Title

Consistent merging of model versions

RIS ID

101981

Publication Details

Dam, H. Khanh., Egyed, A., Winikoff, M., Reder, A. & Lopez-Herrejon, R. E. (2016). Consistent merging of model versions. Journal of Systems and Software, 112 137-155.

Abstract

While many engineering tasks can, and should be, manageable independently, it does place a great burden on explicit collaboration needs-including the need for frequent and incremental merging of artifacts that software engineers manipulate using these tools. State-of-the-art merging techniques are often limited to textual artifacts (e.g., source code) and they are unable to discover and resolve complex merging issues beyond simple conflicts. This work focuses on the merging of models where we consider not only conflicts but also arbitrary syntactic and semantic consistency issues. Consistent artifacts are merged fully automatically and only inconsistent/conflicting artifacts are brought to the users' attention, together with a systematic proposal of how to resolve them. Our approach is neutral with regard to who made the changes and hence reduces the bias caused by any individual engineer's limited point of view. Our approach also applies to arbitrary design or models, provided that they follow a well-defined metamodel with explicit constraints-the norm nowadays. The extensive empirical evaluation suggests that our approach scales to practical settings.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.jss.2015.06.044