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Curriculum/LLM Research and NLP/Research Practice and Publishing at ACL SRW/Reproducing a Paper
240 minAdvanced

Reproducing a Paper

After this lesson, you will be able to: Reproduce a published NLP result end to end, the single best way to learn how research is actually done, and document where you matched or diverged.

Reproducing a paper teaches more than any lecture: you confront every undocumented detail that separates a clean abstract from a working experiment. This lesson is a guided reproduction that becomes the backbone of your SRW paper.

Prerequisites:Scoping a Research Question

Why reproduction is the core research skill

When you reproduce a result you discover that papers omit things: the exact preprocessing, a hyperparameter, a random seed, a data filtering step. Chasing those gaps is research. You also end up with a working baseline you understand deeply, which is the foundation for any extension. And reproducibility is itself a respected contribution: confirming, or failing to confirm, a claimed result is publishable, especially for contested or influential claims.

The reproduction protocol

Pick a paper with released code and a result you can run on your budget.

  1. 1

    1. Choose a paper: recent, relevant to your question, with public code/data and a result that fits free/cheap GPUs.

  2. 2

    2. Read it three-pass, then deep-read the method + experimental setup until you could rebuild it.

  3. 3

    3. Run the authors' code as-is first; record whether you match their headline number (often you will not, exactly).

  4. 4

    4. Reimplement the core yourself (or heavily annotate their code) so you understand every step; use your eval harness from the previous sub-track.

  5. 5

    5. Document every divergence: versions, data, hyperparameters, hardware, and the gap between your number and theirs.

  6. 6

    6. Now add ONE extension: a new dataset, an ablation they skipped, a robustness/contamination check, or a cheaper variant. This is your contribution.

ℹ️ Matching is not always possible, and that is a finding

If you cannot reproduce the result, that is informative, not a failure, provided you document carefully what you did and where it diverged. Many influential reproducibility papers report exactly this. The discipline is to rule out your own mistakes first (re-read, check the data, check the metric implementation), then report the gap honestly with everything needed for others to check your reproduction in turn.

How to talk about it

'I reproduced <paper>'s result on <task>, matched their <metric> within <range>, documented the divergences, and extended it with <your twist>, which showed <finding>.' That is a complete research story and, with rigorous evaluation, an SRW paper. It demonstrates you can read a paper, implement it, evaluate honestly, and add something, the full research loop in one project.

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←Scoping a Research Question
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Writing an ACL Paper→