Why Are We Here? CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: CSCE 496/896 Lecture 10: How to Give a How to Give a Good Good Research Talk Research Talk How to Give a Good Research Talk For your work to have significant impact, it is essential Stephen Scott Stephen Scott that you can convey results to your community Introduction Introduction Your technical reputation depends on colleagues’ Goals Goals reaction to your talk Stephen Scott Planning Planning When on the job market this skill will be crucial in Structuring Structuring getting a research position in academics or industry Slide Prep Slide Prep (Adapted from Sally Goldman) At the Talk At the Talk Giving a good talk is a skill you can learn Conclusion Conclusion I will give you guidance and tips on giving a good talk Questions Questions sscott@cse.unl.edu 1 / 24 2 / 24 Goals of a Talk Outline CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: Goals: How to Give a How to Give a Good Good Goals of a talk Keep audience’s interest (and attention) Research Talk Research Talk Convey technical material Planning stages Stephen Scott Stephen Scott Communicate a key idea of work Structuring your talk Introduction Introduction Provide intuition Slide preparation Goals Goals Convince audience to read your paper Planning Planning What to do Non-Goals: Structuring Structuring What to avoid Show people how smart you are Slide Prep Slide Prep At the talk Expect audience to understand most key details of your At the Talk At the Talk What to do work Conclusion Conclusion What to avoid Will focus on giving conference presentation or job talk Questions Questions Concluding remarks Other scenarios (e.g., teaching) have different contexts, goals, and approaches 3 / 24 4 / 24 Planning Stages Scheduling (if you can) CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: How to Give a How to Give a Good Good If possible, schedule your talk at 10:00 Research Talk Research Talk Know your audience: Stephen Scott Stephen Scott Most people are awake What is their background? Few have gone back to sleep Introduction Introduction General CS (or math, or EE) Bad times to schedule talk: Goals Somewhat specialized audience Goals Right before lunch since the audience is thinking about Planning Highly specialized audience Planning food Structuring If someone has spoken before you: Structuring After lunch since the audience is more likely to be Slide Prep Slide Prep Look at paper/abstract of relevant talks that preceeded sleepy At the Talk At the Talk yours Late afternoon since people will be running out of steam Conclusion Conclusion Prepare to use context provided Questions Questions Best to have room that will be comfortably crowded 5 / 24 6 / 24
Structuring Your Talk The Introduction CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: Define the Problem How to Give a How to Give a Good Good minimize use of terminology Research Talk Research Talk use pictures/examples/props if possible Stephen Scott Stephen Scott Use a top-down approach: Motivate the audience (give a “carrot”) Introduction Introduction Introduction: define problem, present a “carrot”, put in 1 Why is problem important? Goals context, and give outline at end of introduction Goals How does it fit into larger picture? Planning Body: high-level summary of key results Planning 2 What are applications? Technicalities: more depth into a key result Structuring 3 Structuring Conclusion: review key results, wrap up, give future Discuss related work Slide Prep 4 Slide Prep work At the Talk At the Talk Table useful (mention authors and dates) Conclusion Conclusion Succinctly state contributions of your work Questions Questions Provide a road-map (outline) at the end of the introduction 7 / 24 8 / 24 Concept Class of One-Dimensional Patterns Concept Class of One-Dimensional Patterns CSCE CSCE The instance space X n consists of all configurations of 496/896 496/896 A concept c is set of fixed-width intervals on real line Lecture 10: Lecture 10: n points on the real line How to Give a How to Give a A example X is set of points on real line Good A concept is set of all configs. from X n within unit Good Research Talk Research Talk Example X is positive if and only if: distance under Hausdorff metric of some “ideal” Stephen Scott Stephen Scott configuration of k points, where Hausdorff distance Each of X ’s points lies in an interval from c 1 between configs. P and Q is Each interval of c contains a point from X Introduction Introduction 2 Goals Goals ⇢ ⇢ � ⇢ �� H ( P , Q ) = max max min q ∈ Q { d ( p , q ) } , max min p ∈ P { d ( p , q ) } Planning Planning concept p ∈ P q ∈ Q Structuring Structuring and d ( p , q ) is distance between p and q Slide Prep Slide Prep At the Talk If P is any configuration of points on R , then concept At the Talk X positive 1 Conclusion corresponding to P is C P = { X ∈ X n : H ( P , X ) ≤ 1 } Conclusion Questions Questions X is a positive example of C P if X ∈ C P and is a X negative negative example otherwise 2 Concept class of one-dimensional patterns is C k , n = { C P : P is a configuration of ≤ k points from R } X negative 3 9 / 24 10 / 24 The Body The Technicalities CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: How to Give a How to Give a Good Good Research Talk Research Talk Abstract the key results Take key result (or part of it) and go into some depth Stephen Scott Stephen Scott Focus on a central, exciting concept Guide audience through difficult ideas Introduction Introduction Explain significance of your work Give overview Goals Goals Sketch methodology of key ideas State result Planning Planning Keep it high-level, emphasizing structure Show an example Structuring Structuring Use pictures/diagrams if possible Review Slide Prep Slide Prep Provide intuition It is this portion that typically grows when you give a At the Talk At the Talk Helpful when someone later reads your paper 50-minute talk Conclusion Conclusion Gloss over technical details Questions Questions 11 / 24 12 / 24
The Conclusion Slide Preparation—Do CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: How to Give a How to Give a Good Good Provide a coherent synopsis Research Talk Research Talk Decide what you want to say and say less! Stephen Scott Review key contributions and why they are Stephen Scott Allow an average of 1.5–2 minutes for each slide important Introduction Introduction Exact amount of time determined by practice Discuss open problems/future work Goals Goals Use Repetition Planning Planning Indicate your talk is over (for example, “Thank you. Are “Tell them what you’re going to tell them. Tell them. Structuring Structuring there any questions?”) Then tell them what you told them.” Slide Prep Slide Prep Realize that 20% of your audience at any given time is Be ready to answer questions At the Talk At the Talk thinking about something else If there are points you glossed over that you think will Conclusion Conclusion Use pictures/diagrams whenever you can interest the audience, you may want to prepare some Questions Questions slides (just in case) 13 / 24 14 / 24 Slide Prep—Do (cont’d) Slide Prep—Do (cont’d) CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: How to Give a How to Give a Good Good Check your spelling Use a large font (at least 20 pt) Research Talk Research Talk Stephen Scott Stephen Scott Make neat/orderly slides If you use a slide more than once, duplicate it PRACTICE! Introduction Use overlays or other “scaffolding” Introduction Give a practice for your colleagues, advisor, friends, Goals Goals Use color/animation (in a meaningful way; not just to pets, etc. Planning Planning attract attention) Be ready to redo all your slides Structuring Structuring You need not use full sentences Practice again Slide Prep Slide Prep Be sure that all your material projects on the screen and At the Talk At the Talk Number your slides contrast is good Conclusion Conclusion Write reminders, key phrases, etc. on paper or in Make sure it does not take too much time Questions Questions PowerPoint’s notes Beware PowerPoint’s timer! 15 / 24 16 / 24 Slide Preparation—Don’t Slide Preparation—Don’t (cont’d) CSCE CSCE 496/896 496/896 Lecture 10: Lecture 10: How to Give a How to Give a Show complex equations Good Good Research Talk Research Talk Show complex code (even pseudocode) Stephen Scott Stephen Scott Overload slides Have a slide that introduces a point that you are unsure Introduction Introduction Intend to use too many slides of Goals Goals Put some detail on the slide that you do not want to talk (Unless you want to give the audience a chance to Planning Planning attack you) about Structuring Structuring Present last-minute results Get bogged down in details Slide Prep Slide Prep (They are probably wrong) At the Talk At the Talk Try to give a core dump Have slides that you are not using mixed in with the rest Conclusion Conclusion Questions Questions Write messy, write (or use a font that is) too small, misspell words 17 / 24 18 / 24
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