how to read, write, present papers
TRANSCRIPT
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How to Read, Write, Present Papers
Nitin H. Vaidya
University of Illinois at Urbana-Champaign
© 2002 Nitin Vaidya
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Caveats
Statutory warning : Your advisor may not agree
Only my opinions.
Random thoughts, often in no particular order
Use advise at your own risk
I do not necessarily follow the advise all the time
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Caveats
This presentation ignores some of its suggestions
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Omissions
References at the end of the talk provide many
suggestions not included in this talk
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Summary
Use common sense
Learn from experience
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Reading a Paper
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Why read papers
So you know what’s happening
Avoid reinventing the wheel
does happen commonly,
too many wheels already
Find interesting research topics
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Why not to read papers
Cannot read everything
Should not read everything
Can suppress innovation
once you see solutions using a particular theme, often hard
to think differently
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Read or not to read,
that is the question
Read, of course
Know what’s important
Know what can be ignored without significant loss of
information
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What to read
Major conferencesJournals are a few years behind, but still can be useful
Tech reports from active research groupsneed to know which groups to look up
Survey / overview papersACM Computing Surveys
CACM, IEEE Computer, Spectrum
more technical - IEEE Personal Communications, …
newsletters - ACM SIGCOMM, ACM SIGMOBILE, ...
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What’s in a paper
Abstract
Introduction
Motivation
Problem description
Solution
...
Performance Analysis
Conclusions
Future Work
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How to read a paper?
Know why you want to read the paper
To know what’s going on (e.g., scanning proceedings)
title, authors, abstract
Papers in your broad research area
introduction, motivation, solution description, summary,
conclusions
sometimes reading more details useful, but not always
Papers you may want to improve on
read entire paper carefully
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What to note
Authors and research group
Need to know where to look for a paper on particular topic
Theme of the solution
Should be able to go back to the paper if you need more info
Approach to performance evaluation
Note any shortcomings
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So this paper is in print ...
Be skeptical
If it sounds too good to be true, it often is
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How to Write
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How to write a paper
Do unto others as you would have them do unto you
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How to write a paper
When you have truly exceptional results
P == NP
Probably doesn’t matter how you write, people will
read it anyway
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How to write a paper
Most papers are not that exceptional
Good writing makes significant difference
Better to say little clearly, than saying too much
unclearly
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Readability a must
If the paper is not readable, author has not given
writing sufficient thought
Two kinds of referees
If I cannot understand the paper, it is the writer’s fault
If I cannot understand the paper, I cannot reject it
Don’t take chances. Write the paper well.
Badly written papers typically do not get read
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Do not irritate the reader
Define notation before use
No one is impressed anymore by Greek symbols
If you use much notation, make it easy to find
summarize most notation in one place
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Do not irritate the reader
Avoid Using Too Many Acronyms
AUTMA ?!
You may know the acronyms well.
Do not assume that the reader does (or cares to)
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How to write a theory paper
Unreadability is not the same as formalism
Reader should be able to understand contributions
without reading all details
If some proofs are not too important, relegate them to
an appendix
Proofs are not as worthy as new proof techniques
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How to write a systems paper
Provide sufficient information to allow people to
reproduce your results
people may want to reproduce exciting results
do not assume this won’t happen to your paper
besides, referees expect the information
Do not provide wrong information
Sometimes hard to provide all details in available
space
may be forced to omit some information
judge what is most essential to the experiments
cite a tech report for more information
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Discuss related work
Explain how your work relates to state of the art
Discuss relevant past work by other people too
Remember, they may be reviewing your paper.
Avoid: The scheme presented by Vaidya performs terribly
Prefer: The scheme by Vaidya does not perform as well in
scenario X as it does in scenario Y
Avoid offending people, unless you must
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Tell them your shortcomings
If your ideas do not work well in some interesting
scenarios, tell the reader
People appreciate a balanced presentation
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How to write weak results
If results are not that great, come up with better ones
Do not hide weak results behind bad writing
Be sure to explain why results are weaker than you expected
If you must publish: write well, but may have to go to
second-best conference
Only a few conferences in any area are worth publishing in
Too many papers in poor conferences bad for your reputation
Just because a conference is “IEEE” or “ACM” or “International”
does not mean it is any good
If results not good enough for a decent conference,
rethink your problem/solution
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Miscellaneous
Read some well-written papers
award-winning papers from conferences
Avoid long sentences
If you have nothing to say, say nothing
don’t feel obliged to fill up space with useless text
if you must fill all available space, use more line spacing,
greater margins, bigger font, bigger figures, anything but
drivel
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Technical reports
Useful to get early feedback from other researchers
Puts a timestamp on your work
Can include more information / results than might fit
in a paper
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How to Present
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How to present a paper
Do unto others as you would have them do unto you
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How to present a paper
(at a conference)
Objectives, in decreasing order of importance
Keep people awake and attentive
everything has been tried: play fiddle, cartoons, jokes
in most cases, extreme measures should not be needed
humor can help
Get the problem definition across
people in audience may not be working on your problem
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How to present a paper
(at a conference)
Objectives … in decreasing order of importance
Explain your general approach
most productive use of your time
Dirty details
most people in the audience probably do not care
a typical conference includes 30+ paper presentations,
yours could be the N-th
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Talk outline or not ?
Useful when several ideas discussed in a single talk
Short talks : Skip the outline
Long talks : Include an outline
Make the outline interesting
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Text
You want people to (quickly) read your slides
Use big enough font
Do not put too much on one slide
don’t want to keep them busy reading, instead of listening
Use good color schemes
Not blue on yellow
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Text
Slide text need not be grammatically accurate
Keep it short
OK to omit some details
fill them in when you present the paper
Practice makes perfect
versus
Practice can improve your presentations
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PowerPoint, but not excessively
Everybody has used PowerPoint
No one is impressed by fancy backgrounds anymore
Avoid using gratuitous animation
Standard PowerPoint layouts can be useful
decent font sizes and color schemes
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Picture is worth 1000 words
Use illustrations to explain complex algorithms
Omit minor details, focus on the important
They can read the paper to know the exact algorithm
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Short talks
May not have enough time to discuss all ideas clearly
Focus talk on one or two ideas
Summarize rest briefly
Better to explain one idea well, than many ideas
poorly
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How to present a paper
Avoid blocking the screen
Point to the screen, rather than the slide on the
projector
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How many slides?
Depends on personal style
Rules of thumb
1 slide for 1-2 minutes
Know your pace
I tend to make more slides than I might need, and
skip the not-so-important ones dynamically
Anticipate technical questions, and prepare
explanatory slides
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How to present a paper
Practice makes perfect (or tolerable)
May need several trials to fit your talk to available time
• particularly if you are not an experienced speaker
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If English is your second language
Accent may not be easy to understand
Talk slowly
Easier said than done
I have a tough time slowing down myself
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No substitute for experience
Nothing like a terrible presentation to learn what not
to do
Try to learn from other people’s mistakes, instead of
waiting for your own
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Summary
Use common sense
Learn from experience
Enjoy!
• Papers can be fun
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Useful references
Speaker’s Guide, Ian Parberry
http://hercule.csci.unt.edu/ian/guides/guides.html
The Best Method for Presentation of Research Results,
Veljko Milutinovic
http://www.computer.org/tab/tcca/NEWS/sept96/sept96.htm
Many other guides on the web
Above web links may become outdated over time.
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Thanks !