Book ; Online: Aging with GRACE
Lifelong Model Editing with Discrete Key-Value Adaptors
2022
Abstract: ... degrade model performance quickly across multiple, sequential edits. We propose GRACE, a lifelong model ... impact on unrelated inputs. GRACE writes new mappings into a pre-trained model's latent space, creating ... Our code is available at https://www.github.com/thartvigsen/grace}. ...
| Abstract | Deployed language models decay over time due to shifting inputs, changing user needs, or emergent world-knowledge gaps. When such problems are identified, we want to make targeted edits while avoiding expensive retraining. However, current model editors, which modify such behaviors of pre-trained models, degrade model performance quickly across multiple, sequential edits. We propose GRACE, a lifelong model editing method, which implements spot-fixes on streaming errors of a deployed model, ensuring minimal impact on unrelated inputs. GRACE writes new mappings into a pre-trained model's latent space, creating a discrete, local codebook of edits without altering model weights. This is the first method enabling thousands of sequential edits using only streaming errors. Our experiments on T5, BERT, and GPT models show GRACE's state-of-the-art performance in making and retaining edits, while generalizing to unseen inputs. Our code is available at https://www.github.com/thartvigsen/grace}. Comment: Accepted to NeurIPS 2023 |
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| Keywords | Computer Science - Machine Learning |
| Subject code | 006 |
| Publishing date | 2022-11-20 |
| Publishing country | us |
| Document type | Book ; Online |
| Database | BASE - Bielefeld Academic Search Engine (life sciences selection) |
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