1. Requirements Elicitation and Validation with Real World Scenes Peter Haumer, Klaus Pohl and Klaus Weidenhaupt Rens van Erk - 4187237

2. Overview (1/2)  Authors: Peter Haumer, Klaus Pohl and Klaus Weidenhaupt  University of Aachen, Germany  CREWS Project  Topic: Requirements Elicitation and Validation with Real World Scenes  Published in: Institute of Electrical and Electronics Engineers (IEEE) Transactions on Software Engineering (1998)  Origins:  Requirement engineering  Rich media

3. Overview (2/2)  Purpose: Making the abstraction process which leads to the definition of the conceptual models more transparent.  Focus: “On the one hand, new concepts are elicited from the RWEs. On the other hand, the current-state models can be validated against the RWEs.” – Haumer et al. (1998).  Main phases:  Record observations  Comparing requirement and model  Creating requirement  Relating requirement to model

4. Related literature  Software requirement engineering: “occurs at the start of software development and involves the analysis and negotiation of what capabilities and features a proposed system needs to possess“ – Sommerville & Kotonya (1998)  Main method: Software Requirement Engineering Methodology  Philosophy of Haumer et al. (1998) adopted in other papers:  Van Lamsweerde (2001)  Lamsweerde & Willemet (1998)  Liu & Yu (2004)  Zowghi & Coulin (2005)

5. Process- Deliverable Diagram (1/2)

6. Process- Deliverable Diagram (2/2)

7. Example (1/2)  SAFA Software  ERP Product  Mainly Dutch customers  Development of a new product  Based on the functionalities of the existing system

8. Example (2/2)

9. Questions?  Thank you for your attention! Rens van Erk - 4187237