SLIDE 1
- R. Kuehl/J. Scott Hawker
- p. 1
R I T
Software Engineering
- R. Kuehl/J. Scott Hawker
- p. 2
R I T
Software Engineering
User Requirements R. Kuehl/J. Scott Hawker p. 1 R I T Software - - PowerPoint PPT Presentation
User Requirements R. Kuehl/J. Scott Hawker p. 1 R I T Software - - PowerPoint PPT Presentation
User Requirements R. Kuehl/J. Scott Hawker p. 1 R I T Software Engineering Who Are the Users? Identify primary and secondary user (work) roles Profile them Model them what do they do? Scenarios Task analysis
SLIDE 2
SLIDE 3
- R. Kuehl/J. Scott Hawker
- p. 3
R I T
Software Engineering
User (Work) Roles Revisited
Primary – direct interaction Profile
Goals – job and personal Tasks and workflows Work environment Cognitive and physical abilities Skills and experience Personal traits
One role played by many people and/or one person plays multiple roles
SLIDE 4
- R. Kuehl/J. Scott Hawker
- p. 4
R I T
Software Engineering
Perform Modeling to Understand…
Tasks and actions users (may) perform to achieve a
goal
Task workflow sequences System operations necessary to support user tasks
Non-functional qualities System boundaries and external interfaces System infrastructure
Exceptions - what may go wrong Problem domain objects the user and system will manipulate
SLIDE 5
- R. Kuehl/J. Scott Hawker
- p. 5
R I T
Software Engineering
Requirements Modeling Representation
Informal Requirements Semi-formal Requirements Formal Requirements
Real World Abstract Model
Stories and scenarios
(Task Modeling)
Formal Specification Languages
(Requirements Modeling Language (RML))
Structured Natural Language (Use Case Models*)
* The focus of this course
SLIDE 6
- R. Kuehl/J. Scott Hawker
- p. 6
R I T
Software Engineering