Thomas A. Alspaugh
Good Abstracts

Kent Beck

OOPSLA 1993, pp.429-436. This excellent advice is aimed towards writing papers, but also applies to abstracts.

In brief, your abstract should contain four sentences:

  1. Problem statement
  2. Why the problem is a problem
  3. The startling sentence
  4. The implications of the startling sentence

Beck said:

  1. Write to the program committee. Never forget that before you can write to the vast, eager, and appreciative OOPSLA audience you must first get past the program committee. Before I begin I fix in my mind a picture of a harried PC member, desk piled with papers. Mine comes to the top. I have maybe thirty seconds to grab their interest. Remember that the program committee is made up of experts in the field. Even if your topic is of broad interest to beginners, there must still be some spark in it to keep an expert reading to the end. If your topic is highly technical, it may not be in an area that they are familiar with, so it must readably present the novel aspects of the work.
  2. One startling sentence. Now that you know you are writing to the program committee, you need to find the one thing you want to say that will catch their interest. If you have been working on the world's niftiest program night and day for five years, the temptation is to include absolutely everything about it, "The Foo System In All Its Glory." It'll never work. I know it's painful to ignore all those great insights, but find the most interesting thing you have done and write it down, "network garbage collection is fast and easy." You want the reader's eyes to open wide when they realize what it is you've just said. I think some people are reluctant to boil their message down to one startling sentence because it opens them up to concrete criticism. If you write about the Foo System and someone says it isn't neat, you can just reply, "Is so, nyah!" If you say network garbage collection is easy, it is a statement that is objectively true or false. You can be proven wrong. Wait! You spent five years proving it was easy. Make your case.
  3. Argument: problem, solution, defense, related work. Now that you have a startling sentence, your paper must stand as the argument for its validity. You are convincing the by-now-intrigued committee member of the truth of your amazing statement. Divide your paper into four sections. The first describes the problem to be solved. When the PC member is done reading it, they should understand why it is a problem, and believe that it is important to solve. The second section describes your problem. You are convincing the PC member that your solution really could solve the problem. This section is sometimes supplemented with a section between the defense and related work which describes implementation details. The third section is your defense of why your solution really solves the problem. The PC member reading it should be convinced that the problem is actually solved, and that you have thought of all reasonable counter arguments. The final section describes what other people have done in the area. Upon reading this section, the PC member should be convinced that what you have done is novel.
  4. The abstract is your four sentence summary of the conclusions of your paper. Its primary purpose is to get your paper into the A pile. Most PC members sort their papers in an A pile and a B pile by reading the abstracts. The A pile papers get smiling interest, the B pile papers are a chore to be slogged through. By keeping your abstract short and clear, you greatly enhance your chances of being in the A pile. I try to have four sentences in my abstract. The first states the problem. The second states why the problem is a problem. The third is my startling sentence. The fourth states the implication of my startling sentence. An abstract for this paper done in this style would be:

    The rejection rate for OOPSLA papers in near 90%. Most papers are rejected not because of a lack of good ideas, but because they are poorly structured. Following four simple steps in writing a paper will dramatically increase your chances of acceptance. If everyone followed these steps, the amount of communication in the object community would increase, improving the rate of progress.

    Well, I'm not sure that's a great abstract, but you get the idea. I always feel funny writing an abstract this way. The idea I thought was so wonderful when I started writing the paper looks naked and alone sitting there with no support. I resist the temptation to argue for my conclusion in the abstract. I think it gives the reader more incentive to carefully read the rest of the paper. They want to find you how in the world you could possible say such an outrageous thing. There are my four steps to better papers. You can use them sequentially to write papers, or you can use them to evaluate papers you have already written.

Barry Costa-Pierce (formerly in UCI BioSci)

Philip Koopman (CMU ECE)

  1. Motivation

    Why should a reader care about the problem and your results?

  2. Problem statement

    What problem are you trying to solve?

  3. Approach

    How did you go about solving or making progress on the problem?

  4. Results

    What's the answer?

  5. Conclusions

    What are the implications of your answer?

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