Transcript PowerPoint

Discussion Class 5
User Interfaces
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Discussion Classes
Format:
Question
Ask a member of the class to answer
Provide opportunity for others to comment
When answering:
Give your name. Make sure that the TA hears it.
Stand up
Speak clearly so that all the class can hear
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Question 1: Authors
The authors of this paper are:
Don Byrd
W. Bruce Croft
Ben Shneiderman
(a) Who are they?
(b) What biases would you expect them to bring to the
discussion?
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Question 2: Thomas
One of the examples is the Library of Congress's Thomas
system.
(a) What is the purpose of this system? Who are the users?
(b) What is the Congressional Record?
Another example is the Library of Congress's American
Memory system.
(c) What is the purpose of this system? Who are the users?
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Question 3: The four steps
Describe the following four steps. What are the objectives
of the step? What are the issues? What are the options?
(a) Formulation
(b) Action
(c) Review of the Results
(d) Refinement
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Question 4: User Interfaces
It is frequently recommended that there should be separate user
interfaces for different categories of users.
(a) What features might be included?
(b) What are the practical issues in implementing such a
choice?
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Question 5: Xinquery
(a) What is good
about this user
interface?
(b) What
suggestions would
you make to
improve this user
interface?
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Question 6: WInquery
(a) What do the authors claim are the benefits of this user
interface?
(b) Do you agree with them?
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Question 7: Success or Failure?
"Zero-hit outcomes occur on 30% of searches at some
services, ..."
(a) Why do you think that this happens?
(b) Is it necessarily bad?
(c) What can be done to reduce the bad aspects?
"Every time I search, I get 10,000 hits ..."
(d) Why do you think that this happens?
(e) Is it necessarily bad?
(f) What can be done to reduce the bad aspects?
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