INTRODUCTION Research Questions related to these challenges: Research Question 1: How to identify and formalize the variability present among a set of product models in terms of features realized by model fragments? Research Question 2: How to capitalize on expert domain knowledge to boost the process of feature location? 1.7. Structure of the dissertation 1.7 Structure of the dissertation This dissertation is structured into five parts: Part I The first part is the introduction of the dissertation, later it presents some background and discusses the state of the art.
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