Abstract Models are good at expressing information that is known but do not typically have
support for representing what information a modeler does not know at a particular phase in …

A system's early architectural decisions impact its properties (eg, scalability, dependability)
as well as stakeholder concerns (eg, cost, time to delivery). Choices made early on are both …

Increasingly, high-assurance applications rely on dynamically adaptive systems (DASs) to
respond to environmental changes, while satisfying functional requirements and non …

Changing early architectural decisions of a system is both difficult and costly. It is very
important for the architect to get them" right". However, in early design, the architect is often …

In our connected world, confidentiality is a central quality requirement. A commonly used
mechanism to meet confidentiality requirements is access control. However, access control …

When designing a software system, architects make a series of design decisions that directly
impact the system's quality. The number of available design alternatives grows rapidly with …

Requirements Engineering (RE) involves eliciting, understanding, and capturing system
requirements, which naturally involves much uncertainty. During RE, analysts choose …

Software development has significantly matured in the last decade. However, one of the
critical challenges today is uncertainty inherent to every aspect of software development …

Many software engineers make implicit assumptions when working with incomplete software
requirements. To study assumptions made by software engineers while converting …

In early design stages, system architects mostly rely on estimations to make design
decisions. These are based on the available information at hand and their experience …