Slides used in workshop session B4 on "From Swipe Card Machine to the Computer Screen" at the IWMW 2004 event held at the University of Birmingham on 27-29 July 2004. See

1. University of St Andrews Business
From Swipe Card Machine toFrom Swipe Card Machine to
Computer ScreenComputer Screen
Heidi Fraser-Krauss Ester Ruskuc

2. University of St Andrews Business
Workshop ProgrammeWorkshop Programme
• Introduction
• Group preparation
• Defining external user requirements (task 1)
• Defining internal user requirements (task 2)
• Exploring areas of conflict
• Constraints
• Overview of St Andrews system
• Case study
• Conclusions

3. University of St Andrews Business
AimsAims
• Assess what is involved in implementing a
modern on-line payment system
• Have an overview of external and internal user
requirements
• Be aware of the issues of conflict between the
requirements
• Examine the drivers and constraints of
implementation

4. University of St Andrews Business
Definition of E-commerceDefinition of E-commerce
• Electronic commerce, or e-commerce, is defined as
making payments for goods and services via the Internet
using a debit or credit card.

5. University of St Andrews Business
Introduction to TasksIntroduction to Tasks
Purpose of tasks 1 and 2 is to define a set of
requirements for an ideal e-commerce facility.

6. University of St Andrews Business
Defining External UserDefining External User
RequirementsRequirements
Think of on-line payment systems you have used.
• What was good? (Yellow stickies).
• What was bad? (Pink stickies).
• Single out an example of a good on-line payment
site.

7. University of St Andrews Business Improvements
Defining Internal UserDefining Internal User
RequirementsRequirements
Think about the payment processes in your
organisation.
• How could e-commerce improve them?
• Based on the above, list the requirements.

8. University of St Andrews Business
ConflictsConflicts
• Is there a trade-off between internal and external
requirements?

9. University of St Andrews Business
ConstraintsConstraints
• Money
• Time
• Human
• Technical

10. University of St Andrews Business
C u s t o m e r s
D e p a r t m e n t s
F i n a n c e S t a f f
S h o p p in g
B a s k e t
W o r l d P a y
I n t e r f a c e
I n d e x :
- d a t a f l o w
- e - m a i l s
- u s e r s
- s y s t e m s
- w e b p a g e s
- f i n a n c e
s y s t e m s
W e b P a g e s
A p t o s
F e e s a n d
C h a r g e s
S e l f - s e r v i c e

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28. University of St Andrews Business
ConclusionsConclusions
• Compare the case study with the previously
specified requirements.
• What are its strengths? (Yellow stickies)
• What are its weaknesses? (Pink stickies)