Software product lines are continuously changing systems that must evolve to meet new
customers' needs and new business strategies. Due to this change, many defects impact …

After the derivation of specific applications from a software product line, the applications
keep evolving with respect to new customer's requirements. In general, evolutions in most …

Software product lines are dynamic systems that need to evolve continuously to meet new
customer requirements. This evolution impacts both the core platform of the product line and …

Abstract Software Product Lines (SPLs) are long-living systems that require inevitably
continuous changes to product line models. Many studies in the literature have dealt with …

Since the emergence of Software Product Line Engineering, the requirements evolution
issue has been addressed by many researchers and many approaches have been …

Software product lines are long-living systems that evolve continuously over time to satisfy
the new requirements of customers. This evolution consists of adding or modifying features …