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# DialogRPT-width
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### Dialog Ranking Pretrained Transformers
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> How likely a dialog response is upvoted 👍 and/or gets replied 💬?
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This is what [**DialogRPT**](https://github.com/golsun/DialogRPT) is learned to predict.
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It is a set of dialog response ranking models proposed by [Microsoft Research NLP Group](https://www.microsoft.com/en-us/research/group/natural-language-processing/) trained on 100 + millions of human feedback data.
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It can be used to improve existing dialog generation model (e.g., [DialoGPT](https://huggingface.co/microsoft/DialoGPT-medium)) by re-ranking the generated response candidates.
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Quick Links:
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* [EMNLP'20 Paper](https://arxiv.org/abs/2009.06978/)
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* [Dataset, training, and evaluation](https://github.com/golsun/DialogRPT)
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* [Colab Notebook Demo](https://colab.research.google.com/drive/1cAtfkbhqsRsT59y3imjR1APw3MHDMkuV?usp=sharing)
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We considered the following tasks and provided corresponding pretrained models.
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|Task | Description | Pretrained model |
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| :------------- | :----------- | :-----------: |
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| **Human feedback** | **given a context and its two human responses, predict...**|
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| `updown` | ... which gets more upvotes? | [model card](https://huggingface.co/microsoft/DialogRPT-updown) |
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| `width`| ... which gets more direct replies? | [model card](https://huggingface.co/microsoft/DialogRPT-depth) |
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| `depth`| ... which gets longer follow-up thread? | this model |
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| **Human-like** (human vs fake) | **given a context and one human response, distinguish it with...** |
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| `human_vs_rand`| ... a random human response | [model card](https://huggingface.co/microsoft/DialogRPT-human-vs-rand) |
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| `human_vs_machine`| ... a machine generated response | [model card](https://huggingface.co/microsoft/DialogRPT-human-vs-machine) |
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### Examples:
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The `depth` score predicts how likely the response is getting a long follow-up discussion thread.
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Examples below can be reproduced with this [Colab Notebook](https://colab.research.google.com/drive/1cAtfkbhqsRsT59y3imjR1APw3MHDMkuV?usp=sharing)
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| Context | Response | `depth` score |
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| :------ | :------- | :------------: |
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| I love NLP! | Can anyone recommend a nice review paper? | 0.701 |
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| I love NLP! | Me too! | 0.029 |
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### Contact:
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Please create an issue on [our repo](https://github.com/golsun/DialogRPT)
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### Citation:
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```
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@inproceedings{gao2020dialogrpt,
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title={Dialogue Response RankingTraining with Large-Scale Human Feedback Data},
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author={Xiang Gao and Yizhe Zhang and Michel Galley and Chris Brockett and Bill Dolan},
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year={2020},
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booktitle={EMNLP}
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}
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```
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