The priorities that stakeholders associate with requirements may vary from stakeholder to
stakeholder and from one situation to the next. Differing priorities, in turn, imply different …

Modern software systems operate within the context of larger socio-technical systems,
wherein they interact—by exchanging data and outsourcing tasks—with other technical …

Abstract Unstructured (or, semi-structured) natural language is mostly used to capture the
requirement specifications both for legacy software systems and for modern day software …

Goal models have been widely used in computer science to represent software
requirements, business objectives, and design qualities. Existing goal modelling techniques …

Feature modeling is one of the main techniques used in Software Product Line Engineering
to manage the variability within the products of a family. Concrete products of the family can …

A self-adaptive system uses runtime models to adapt its architecture to the changing
requirements and contexts. However, there is no one-to-one mapping between the …

Goal models capture stakeholder requirements for a system-to-be, but also circumscribe a
space of alternative specifications for fulfilling these requirements. Recent proposals for self …

Context A software product line is a family of software systems that share some common
features but also have significant variabilities. A feature model is a variability modeling …

Non-functional requirements (NFRs) have been the focus of research in Requirements
Engineering (RE) for more than 20 years. Despite this attention, their ontological nature is …

Most of the available ontology engineering methodologies presuppose the existence of a set
of questions which provide the objective and scope of the ontology under development …