The unified software development process
The unified software development process
Managing software requirements: a unified approach
Managing software requirements: a unified approach
Problem frames: analyzing and structuring software development problems
Problem frames: analyzing and structuring software development problems
Writing Effective Use Cases
Use Case Modeling
The Rational Unified Process: An Introduction
The Rational Unified Process: An Introduction
Object-Oriented Software Engineering: A Use Case Driven Approach
Object-Oriented Software Engineering: A Use Case Driven Approach
Problem structure and dependable architecture
Architecting Dependable Systems III
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Use cases constitute a popular technique to problem analysis, partly due to their focus on thinking in terms of the user needs. However this is not a guarantee for discovering all the subproblems that compose the structure of a given software problem. Moreover, a rigorous application of the technique requires a previous consensus about the meaning of I. Jacobson's statement ''a use case must give a measurable value to a particular actor'' (The Rational Edge, March 2003). This paper proposes a particular characterisation of the concept of ''value'' with the purpose of problem structuring. To this aim we base on the catalogue of frames for real software problems proposed by M. Jackson (Problem Frames, 2001) and we reason about what could be valuable for the user on each problem class. We illustrate our technique with the analysis of a web auction problem.