... Tizzei¹

Institute of Computing - University of Campinas - contact

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... Rubira²

Institute of Computing - University of Campinas

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... Lee³

Lancaster University

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... Garcia⁴

PUC-RJ

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... Barros⁵

Institute of Computing - University of Campinas

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... Architect ⁶

http://www.sparxsystems.com/products/ea/downloads.html

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... X⁷

The company name is confidential due to commercial reasons

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... level⁸

The level of a feature is given by the shortest distance between the feature and the root feature.

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