Welcome to the repository for the Llama2-7B-Chat model, fine-tuned on the TOFU (Task of Fictitious Unlearning) dataset. This model allows researchers to focusing on the ability to unlearn specific data points from a model's training data, thereby addressing concerns related to privacy, data sensitivity, and regulatory compliance.
Summary on Twitter: A concise summary and key takeaways from the project.
Overview
The TOFU dataset is a novel benchmark specifically designed to evaluate the unlearning performance of large language models (LLMs) across realistic tasks. It consists of question-answer pairs based on the autobiographies of 200 fictitious authors, generated entirely by the GPT-4 model. This dataset presents a unique opportunity for models like Llama2-7B-Chat to demonstrate their capacity for selective data unlearning.
Model Description
Llama2-7B-Chat has been fine-tuned on the full TOFU dataset to specialize in unlearning diverse fractions of the forget set. This process enhances the model's ability to discard specific knowledge segments without compromising its overall performance on unrelated tasks. This version of Llama2-7B-Chat is specifically tailored for research in data privacy and machine unlearning.
Applicability
The fine-tuned model is compatible with a broad range of research applications, including but not limited to:
Privacy-preserving machine learning
Regulatory compliance in AI
Exploring the dynamics of knowledge retention and forgetting in AI systems
Technical Specifications
Base Model: Llama2-7B-Chat
Dataset: TOFU (full)
Fine-tuning Methodology: Task-specific fine-tuning on question-answer pairs for unlearning performance
Compatible Frameworks: The model is readily usable with frameworks supporting Llama2 models.
Getting Started
To use the fine-tuned Llama2-7B-Chat model, follow these steps:
Installation
Ensure you have Python 3.10+ installed. Then, install the required packages:
bash
1pip install transformers
2pip install datasets
Loading the Model
You can load the model using the Transformers library:
The code for training the models and the availability of all fine-tuned models can be found at our GitHub repository.
Citing Our Work
If you find our codebase and dataset beneficial, please cite our work:
@misc{tofu2024,
title={TOFU: A Task of Fictitious Unlearning for LLMs},
author={Pratyush Maini and Zhili Feng and Avi Schwarzschild and Zachary C. Lipton and J. Zico Kolter},
year={2024},
archivePrefix={arXiv},
primaryClass={cs.LG}
}
