1. NFR Framework Workshop
Rodrigo Veleda
M.A. Candidate in Information Systems and Technologies
York University

2. NFR Framework Introduced by Chung et al. [1] back in 2000
Systematic approach to deal with Non-functional Requirements (NFRs)
NFRs as “softgoals” with interdepedencies
Softgoal Interdependency Graphs (SIGs)
Satisfy vs Satisfice

3. NFR Framework – Types of NFRs

4. NFR Framework – Notation (1/2)

5. NFR Framework – Notation (2/2)

6. NFR Framework – Case Study
Online Groceries software development
The system should:
Register the client
Provide possible windows for delivery
Allow the client to shop for items
Suggest items based on client history
Process payment
Handle stock
Provide management reports
Any NFR identified?

7. NFR Framework – Case study

8. NFR Framework – Case study in-class model

9. Research experiment Participants:
Send an to with:
First and last name
Student number

10. References
[1] Chung, L., Nixon, B.A., Yu, E., Mylopoulos, J.: Non-Functional Requirements in Software En- gineering. Springer US (1999)