Computational Ecology and Software, 2015, 5(1): 69-76
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Towards cardinality-based service feature diagrams

Ghulam Mustafa Assad1, Muhammad Naeem1, Hafiz Abdul Wahab2
1Department of Information Technology, Hazara University, Mansehra, Pakistan
2Department of Mathematics, Hazara University, Mansehra, Pakistan

Received 16 April 2014;Accepted 20 May 2014;Published online 1 March 2015

To provide efficient services to end-user it is essential to manage variability among services. Feature modelling is an important approach to manage variability and commonalities of a system in product line. Feature models are composed of feature diagrams. Service feature diagrams (an extended form of feature diagrams) changed the basic framework of feature diagrams by proposing new feature types and their relevance. Service feature diagrams provide selection rights for variable features. In this paper we argue that it is essential to put cardinalities on service feature diagrams. That is, the selection of features should be done under some constraints, to provide a lower and upper limit for the selection of features. The use of cardinalities on service feature diagrams reduces the types of features to half, while keeping the integrity of all features.

Keywords feature modeling;service feature diagrams;software product line;variability and similarity management;cardinality-based service feature modelling.

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