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Stakeholders, viewpoints and
concerns
Ian Sommerville
http://www.youtube.com/watch?v=P5X-ridjaOY

Stakeholders, viewpoints...
Stakeholders
• Sources of requirements

Stakeholders, viewpoints and concerns, 2013

Slide 2
Stakeholders
• People or roles who are affected, in
some way, by a system and so who can
contribute requirements or knowle...
Medical information system

Stakeholders, viewpoints and concerns, 2013

Slide 4
Medical system stakeholders
• Doctors
• Nurses
• Patients

Stakeholders, viewpoints and concerns, 2013

Slide 5
Medical system stakeholders
• Hospital managers
• Administrators
• Owners of other connected systems

Stakeholders, viewpo...
Stakeholders, viewpoints and concerns, 2013

Slide 7
Stakeholder groups
•

Clinical stakeholders
–
–

Nurses

–

•

Doctors
Other healthcase professionals

Management stakehol...
Viewpoints
• Viewpoints are a way of organising and
grouping requirements that have been
elicited from stakeholders

Stake...
Examples of viewpoints
• End-user viewpoint
• Managerial viewpoint
• System administration viewpoint

• Engineering viewpo...
Engineering viewpoint
• Engineers who are developing the
system create requirements depending
on the techniques and techno...
Stakeholders and viewpoints
Stakeholde
rs
Provide information about
requirements

VP2

VP1

VP3

VP4

Requirements are gro...
Concerns
• Concerns are issues that an
organisation must pay attention to and
that are systemic i.e. they apply to the
sys...
• Concerns are cross-cutting issues that
may affect all system stakeholders and
the requirements from these
stakeholders

...
Concerns
Software and
hardware

Operators and
managers
The organisation

Society

Security Availability
Stakeholders, view...
The socio-technical triangle
Stakeholders are
at different levels
in the triangle

Software and
hardware

Operators and
ma...
• Concerns help bridge the gap between
organisational goals (what the
organisation has to achieve) and system
requirements...
Summary
• Stakeholders
– People who have an ‘interest’ or a ‘stake’ in the
system

• Viewpoints
– Groups of related requir...
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Stakeholders, viewpoints and concerns

  1. 1. Stakeholders, viewpoints and concerns Ian Sommerville http://www.youtube.com/watch?v=P5X-ridjaOY Stakeholders, viewpoints and concerns, 2013 Slide 1
  2. 2. Stakeholders • Sources of requirements Stakeholders, viewpoints and concerns, 2013 Slide 2
  3. 3. Stakeholders • People or roles who are affected, in some way, by a system and so who can contribute requirements or knowledge to help you understand the requirements Stakeholders, viewpoints and concerns, 2013 Slide 3
  4. 4. Medical information system Stakeholders, viewpoints and concerns, 2013 Slide 4
  5. 5. Medical system stakeholders • Doctors • Nurses • Patients Stakeholders, viewpoints and concerns, 2013 Slide 5
  6. 6. Medical system stakeholders • Hospital managers • Administrators • Owners of other connected systems Stakeholders, viewpoints and concerns, 2013 Slide 6
  7. 7. Stakeholders, viewpoints and concerns, 2013 Slide 7
  8. 8. Stakeholder groups • Clinical stakeholders – – Nurses – • Doctors Other healthcase professionals Management stakeholders – Hospital managers – Administrators Stakeholders, viewpoints and concerns, 2013 Slide 8
  9. 9. Viewpoints • Viewpoints are a way of organising and grouping requirements that have been elicited from stakeholders Stakeholders, viewpoints and concerns, 2013 Slide 9
  10. 10. Examples of viewpoints • End-user viewpoint • Managerial viewpoint • System administration viewpoint • Engineering viewpoint Stakeholders, viewpoints and concerns, 2013 Slide 10
  11. 11. Engineering viewpoint • Engineers who are developing the system create requirements depending on the techniques and technology used to develop the system Stakeholders, viewpoints and concerns, 2013 Slide 11
  12. 12. Stakeholders and viewpoints Stakeholde rs Provide information about requirements VP2 VP1 VP3 VP4 Requirements are grouped into viewpoints Stakeholders, viewpoints and concerns, 2013 Slide 12
  13. 13. Concerns • Concerns are issues that an organisation must pay attention to and that are systemic i.e. they apply to the system as a whole • Not concerned with individual functions, features of a system or individual stakeholder requirements Stakeholders, viewpoints and concerns, 2013 Slide 13
  14. 14. • Concerns are cross-cutting issues that may affect all system stakeholders and the requirements from these stakeholders Stakeholders, viewpoints and concerns, 2013 Slide 14
  15. 15. Concerns Software and hardware Operators and managers The organisation Society Security Availability Stakeholders, viewpoints and concerns, 2013 Safety Slide 15
  16. 16. The socio-technical triangle Stakeholders are at different levels in the triangle Software and hardware Operators and managers The organisation Society Stakeholders, viewpoints and concerns, 2013 Slide 16
  17. 17. • Concerns help bridge the gap between organisational goals (what the organisation has to achieve) and system requirements (how a system contributes to these goals) Stakeholders, viewpoints and concerns, 2013 Slide 17
  18. 18. Summary • Stakeholders – People who have an ‘interest’ or a ‘stake’ in the system • Viewpoints – Groups of related requirements from stakeholders • Concerns – Cross-cutting systemic organizational issues that Stakeholders, viewpoints and concerns, 2013 Slide 18 generate requirements
  • cpissari

    Dec. 10, 2018
  • BorianaVatchova

    Jan. 31, 2016
  • SubiyaCryolite

    Mar. 12, 2015

Introduces some basic concepts of requirements engineering

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