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A Scalable Approach to Exact Model and Commonality Counting for Extended Feature Models

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4 Author(s)
Fernandez-Amoros, D. ; Department of Languages and Computer Systems, Spanish Open University (UNED), Madrid, Spain ; Heradio, R. ; Cerrada, J.A. ; Cerrada, C.

A software product line is an engineering approach to efficient development of software product portfolios. Key to the success of the approach is to identify the common and variable features of the products and the interdependencies between them, which are usually modeled using feature models. Implicitly, such models also include valuable information that can be used by economic models to estimate the payoffs of a product line. Unfortunately, as product lines grow, analyzing large feature models manually becomes impracticable. This paper proposes an algorithm to compute the total number of products that a feature model represents and, for each feature, the number of products that implement it. The inference of both parameters is helpful to describe the standardization/parameterization balance of a product line, detect scope flaws, assess the product line incremental development, and improve the accuracy of economic models. The paper reports experimental evidence that our algorithm has better runtime performance than existing alternative approaches.

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Published in:

Software Engineering, IEEE Transactions on  (Volume:40 ,  Issue: 9 )

Date of Publication:

Sept. 1 2014

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