what it means to be a ph.d. researcher?
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What it means to be a Ph.D. researcher?. Shankar Balachandran RISE Lab Dept. of Computer Science and Engineering, IIT Madras [email protected]. IIT Madras 1 st March 2012. Disclaimer. The views are mine Not the department’s Not the institute’s You may disagree with me - PowerPoint PPT PresentationTRANSCRIPT
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Shankar BalachandranRISE Lab
Dept. of Computer Science and Engineering, IIT Madras
What it means to be a Ph.D. researcher?
IIT Madras1st March 2012
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DisclaimerThe views are mine
Not the department’sNot the institute’s
You may disagree with meTake things with a tub of saltThese opinions and views were developed
over time. I am unable to attribute any of these to any one person or event but I am sure several people and external factors shaped these views.
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What is research?Dictionary Meaning:
diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc
Key thingsDiligentSystematicDiscover or reviseFacts, theories, applications
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What does every Ph.D. student aspire for when they join?A theorem or law named after themHundreds of citationsEvery one recognizes you by your name
Even better, just by your faceWill be the smartest one in the planetAlmost a celebrity status
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Identify these famous researchers
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Charles Leiserson
Andrew Tanenbaum
Andrew Ng
David Patterson
Raj ReddyDjikstra
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What Can HappenYour thesis definitely bears your nameSeveral other authors and co-authors
Stealing your limelightGoogle yourself with the hope that you turn
up in the first few linksKeep looking for “who is citing me”Your advisor may be the only person that
recognizes you
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What happened in betweenMany a slip between the cup and the lip
Picked the wrong schoolPicked the wrong areaPicked the wrong problemPicked the wrong guide...
Frustration during both your Ph.D. days and later
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Motivation Level of a Grad Student
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Why Should One Do Ph.D.?Can be one of several reasons that you
may haveWant to understand things more deeplyWant to make an impact in the societyWant to become a professorWant to make money
Each one has their own reason
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What does your guide (and others, including yourself) expect from your Ph.D.?
Original contribution
Leads to the question:Why should I innovate?A more deeper and philosophical questionCan’t we just consume and not produce?
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Relative Emphasis that We Tend to Place
Diligent Systematic
Discover or Revise Facts
TheoriesApplications
Font sizes are proportional to relative emphasis that a typical student places on different things
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Ph.D. is a Personal EndeavorYes,
You have a guideYou have a lab and lab matesThere is a community which consumes and
produces contents in your field of interestBut
You have a choice overWhat you do, how you do it and when you do itAnd also what you don’t do.
I see it as a great way to know your strengths as well as weaknesses
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Research Can Be FrustratingNot all of us are born bright
“I have no special talents. I am only passionately curious.” Albert Einstein
Being smart is only part of the Ph.D.Remember the diligent and systematic part?
Superhuman effortsBe smartManage time wellAsk the right questionsRead, write and speak well
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My Personal View of Ph.D. researchPh.D. student is similar to a child
InfantUnable to move around on your own. Too many new things – all equally fancy
ToddlerBeginning to walk on your ownWill fall a hundred times
Young childCan walk steadily but can’t run
Post adolescenceSprinter, marathoner ….
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Where does your guide fit in?Your research guide is like a parentInfant
Carry aroundToddler
Hold hands to walkYoung child
If you fall, the parent lifts you up and dusts you
Post adolescenceDude, you are on your own
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Guide/Student RelationshipBoth sides can be unreasonableNo parent can expect an infant to runNo adult should expect the parent to carry
them
Unfortunately, this mismatch in the expectations becomes a sore point
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Marathoner vs SprinterMarathoner
Chug along slowly but steadilyThe horizon is distant
SprinterQuick burst of energyCan’t sustain for a long time
IdeallyPh.D. requires both sprinting and marathon
trainingAlways focus on the horizon
But don’t lose sight of the potholes that you are driving into
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My approach to guiding studentsInfant
Learn from meChild
Learn with mePost-adolescence
Teach me
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Research vs Ph.D.Can’t you do research without a Ph.D.?
YesCan you get a Ph.D. without research?
No and aptly soHistory of research
Long history, several discoveries and inventions in several fields
History of Ph.D.Relatively short
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How is research awarded?Imagine what a researcher in the medieval
time was looking forMoney?Ph.D.?Most likely to be a personal, academic and
scientific endeavorSomewhere along the line, we have
productized researchPapersGrantsPh.D. degree
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Research Culture in the WestResearch thrives on a communityProducers without consumers and consumers
without producers can be a problemThe west has adequate number of both
Not just production/consumptionPeer group to brainstorm and discussGet inspirations for problems
ValidationBuild systemsInteract with the industry
Learn to ask the right questions and learn to get your answers reviewed and checked
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In IndiaAt most 50 Ph.D.s graduate from CSE
departments Across all IITs + IISc + NITs + Other universities
Serious researchersA small (but growing) number
In contrastUS has more than 10,000 Ph.Ds in computer
science and engineeringMany are still active in researchLarger community to plug in to
A fresh student starting out in the US already has a better start
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Why Does It Matter?You are going to publish in conferences
where they are trying to publishCompetitive and trainedAlso have English as their mother tongue
which can be an advantage
Makes it quite tilted in their favor
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Peter Norvig’s SuggestionTeach Yourself Programming in Ten
YearsAlso applies to research
You start out late but sustained effort can get you there
Imagine yourself where you are going to be ten years down the line
Prepare yourself for that
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Key Things in a Ph.D. student’s careerCoursesQualifiersPicking the right research problem and
areasPublishingGiving talks and listening to talksThesis Writing
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Courses and QualifiersCourses
Expand your breadthKeep you on toesTake sufficient math courses all throughout
You don’t know when they will come to bite your back
QualifiersNecessary evilVarious schools have various mechanismsI see it primarily as a mechanism to enable
early exit
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Picking the Right Research Area + ProblemsEarly career decision
Has a profound impactAt that time, you can’t see the scope of the
area as a Ph.D. problemAlso, you cannot possibly imagine post ph.d.
relevanceIn some sense, students trust guides blindlyIf you are a new student
Read a lot and ask a lot of questionsNo pride to protect at this stage
Don’t hesitate to question established thoughtsLeads to new discoveries
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PublishingRemember, publishing is the way of giving
back to the communityOne can question the relevance of
CountsVenuesGaming the system etc.
Bottom lineIf you have something interesting to say, say it You should say it – you owe it to the communitySay it well
Sometimes, it is also the means to marking your territory
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TalksPrepares you for something larger than
your Ph.D. student lifeYou are expected to give talks throughout
your careerThe more you give talks, the better you get
atOrganizing thoughtsPresentationKeeping the audience interested
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Thesis WritingThis is something that you call your ownYou should be proud about it laterRequires a lot of effort
Cannot be just the concatenation of papersTheses do not have page limitsTheses need not assume a lot of familiarity
from the reader’s sideIllustrated examples are okay
This is the stage where your collective wisdom over the years must show
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Shortage of TimeAll this is expected to happen in 5 yearsWhat about the 10-year plan?Research does not stop with your Ph.D.
Your Ph.D. research should lay the foundation for your research career
Ph.D. is the path not the goal postThe scenery is as beautiful as the destination
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Post Ph.D.Academic vs Industrial Research
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Industrial Research vs. Academic ResearchAcademic research can do with hot-potato
approachIf it is too hot to handle, drop it
Industrial research always has limited funding
Industrial research can always get axed suddenly
Industrial research is typically more focused and the timelines are usually rigid
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Some Useful Tips for Ph.D. studentsMaintain a research scrap book
Could be a notebook or a blogNote down all your thoughts, questions,
methodologies etc.Can come in quite handy to look at the evolution of
your thought processAlso makes it easy when you write papers/thesis
Keep on the look out for interesting problemsYou are going to be employed 5 years from the
start of your Ph.D.You should think about what is going to be relevant
five years down the line and acquire sufficient skills
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Tips (contd.)In your third year or so
Start thinking about where you want to beAcademia
Start thinking about sending submissions to journals/top conferences
What kind of courses will you be asked to teachWhat area of research you want to work after Ph.D.How to write proposals / get grantsNational vs International prominence
IndustryWhat kind of position are you going to like?
Research vs Development
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Taking up Post Doctoral PositionsVery common in sciences, humanities and
in engineering fields other than CSE and EEUsually done to
Stand on your own feetMove to a new areaPick up other skills that you may need to
sustain a research career
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Importance of NetworkingWe all fit in to a communityStart networking with your community right from
your Ph.D. daysWith people from your research lab and the departmentWith researchers outside the institute
You could even think of doing independent research or work with people other than your guides
When you finish your programYou will have your own networkYour own set of research problemsYou don’t have to be under the shadow of your guide
Attend conferences, give talks, attend talks by people from other places
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Some Useful ResourcesHow to be a Good Graduate Student by Marie
desJardinsA graduate school survival guide: So long,
and thanks for the Ph.D.by Ronald Azuma
Douglas Comer’s essays on Ph.D. in Computer Sciencehttp://www.cs.purdue.edu/homes/dec/Measuring research
http://www.cs.purdue.edu/homes/dec/essay.research.measure.html
You and your research by Richard Hamming
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Thank You