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---
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language: en
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tags:
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- phi-1.5
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- unlearning
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- TOFU
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license: mit
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---
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# Phi-1.5 TOFU Unlearning Model
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This model is a variant of the Phi-1.5 model, fine-tuned on the TOFU (Task of Fictitious Unlearning) dataset and then subjected to various unlearning algorithms.
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## Model Details
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- **Base Model**: Phi-1.5
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- **Training**: Fine-tuned on TOFU dataset
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- **Unlearning**: Applied various unlearning algorithms
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## Unlearning Algorithm
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This model uses the `KL_1e-05` unlearning algorithm with the following parameters:
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- Learning Rate: `forget05`
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- Forget Percentage: `N/A%`
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## Revisions
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The model is organized into multiple revisions, each representing a checkpoint during the unlearning process. The revision names follow the pattern `checkpoint-X`, where X is the checkpoint number.
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## Loading the Model
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To load a specific revision of this model, you can use the following code:
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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# Replace 'checkpoint-X' with the desired revision (e.g., 'checkpoint-12')
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revision = "checkpoint-X"
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model = AutoModelForCausalLM.from_pretrained("locuslab/{model_name}", revision=revision)
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tokenizer = AutoTokenizer.from_pretrained("locuslab/{model_name}", revision=revision)
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```
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## TOFU Dataset
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TOFU (Task of Fictitious Unlearning) is a dataset designed for training and evaluating unlearning algorithms in language models. It simulates scenarios where certain information needs to be "forgotten" or removed from the model's knowledge.
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## Unlearning Process
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1. The base Phi-1.5 model was first fine-tuned on the TOFU dataset (checkpoint-625).
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2. Various unlearning algorithms were then applied to this fine-tuned model to selectively "forget" certain information.
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3. The results of these unlearning processes are captured in the different revisions of this model.
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## Usage and Limitations
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This model is primarily intended for research purposes, particularly in the field of machine unlearning and privacy in language models. It may not be suitable for general-purpose language tasks without further evaluation.
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## Citation
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If you use this model in your research, please cite:
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```
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@misc{tofu2024,
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title={TOFU: A Task of Fictitious Unlearning for LLMs},
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author={Pratyush Maini and Zhili Feng and Avi Schwarzschild and Zachary C. Lipton and J. Zico Kolter},
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year={2024},
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archivePrefix={arXiv},
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primaryClass={cs.LG}
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}
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```
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## Contact
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For questions or issues regarding this model, please contact pratyushmaini@cmu.edu.
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