1. On the perception of software quality requirements during the project lifecycle Roald van der Valk

2. Overview Method Description Related Literature PDD Example

3. The Method Meant to study when and how specific aspects of software development are handled. In this case: software quality requirements Consists of 4 main phases ▫Select documents ▫Find signifiers ▫Extract relevant messages ▫Evaluate results

4. The Method’s Origins Based on earlier work ▫Same Authors ▫Focussed on non-functional requirements Neil A. Ernst ▫Software requirements John Mylopoulos ▫Requirements engineering, conceptual modelling

5. Related Literature Non-functional requirements ▫“The process of discovering, documenting and managing the requirements for a computer-based system” (Sommerville and Sawyer, 1997) Mining documents for requirements ▫Cleland-Huang, Settimi, Zou and Sole (2006) Improved signifier selection ▫Hindle, Ernst, Godfrey and Mylopoulos (2011)

7. Example