Big Metamodels Are Evil
2013
While reuse is typically considered a good practice, it may also lead to keeping irrelevant concerns in derived elements. For instance, new metamodels are usually built upon existing metamodels using additive techniques such as profiling and package merge. With such additive techniques, new metamodels tend to become bigger and bigger, which leads to harmful overheads of complexity for both tool builders and users. In this paper, we introduce i¾? package unmergei¾? - a proposal for a subtractive relation between packages - which complements existing metamodel-extension techniques.
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