Please use this identifier to cite or link to this item: http://repositorio.inesctec.pt/handle/123456789/4253
Title: Least-change bidirectional model transformation with QVT-R and ATL
Authors: Nuno Moreira Macedo
Alcino Cunha
Issue Date: 2016
Abstract: QVT Relations (QVT-R) is the standard language proposed by the OMG to specify bidirectional model transformations. Unfortunately, in part due to ambiguities and omissions in the original semantics, acceptance and development of effective tool support have been slow. Recently, the checking semantics of QVT-R has been clarified and formalized. In this article, we propose a QVT-R tool that complies to such semantics. Unlike any other existing tool, it also supports meta-models enriched with OCL constraints (thus avoiding returning ill-formed models) and proposes an alternative enforcement semantics that works according to the simple and predictable "principle of least change." The implementation is based on an embedding of both QVT-R transformations and UML class diagrams (annotated with OCL) in Alloy, a lightweight formal specification language with support for automatic model finding via SAT solving. We also show how this technique can be applied to bidirectionalize ATL, a popular (but unidirectional) model transformation language.
URI: http://repositorio.inesctec.pt/handle/123456789/4253
http://dx.doi.org/10.1007/s10270-014-0437-x
metadata.dc.type: article
Publication
Appears in Collections:HASLab - Articles in International Journals

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