Knowledge Editing on Black-box Large Language Models

• URL: http://arxiv.org/abs/2402.08631v2
• Date: Sat, 17 Feb 2024 16:06:10 GMT
• Title: Knowledge Editing on Black-box Large Language Models
• Authors: Xiaoshuai Song, Zhengyang Wang, Keqing He, Guanting Dong, Yutao Mou, Jinxu Zhao, Weiran Xu
• Abstract summary: Knowledge editing aims to efficiently and precisely modify the behavior of large language models (LLMs) to update specific knowledge. Current research primarily focuses on white-box LLMs editing, overlooking an important scenario: black-box LLMs editing. We introduce KE on black-box LLMs and then propose a comprehensive evaluation framework to overcome the limitations of existing evaluations. Experiments and analysis on two benchmarks demonstrate that postEdit outperforms all baselines and achieves strong generalization.
• Score: 37.17131278142237
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Knowledge editing (KE) aims to efficiently and precisely modify the behavior of large language models (LLMs) to update specific knowledge without negatively influencing other knowledge. Current research primarily focuses on white-box LLMs editing, overlooking an important scenario: black-box LLMs editing, where LLMs are accessed through interfaces and only textual output is available. In this paper, we first officially introduce KE on black-box LLMs and then propose a comprehensive evaluation framework to overcome the limitations of existing evaluations that are not applicable to black-box LLMs editing and lack comprehensiveness. To tackle privacy leaks of editing data and style over-editing in current methods, we introduce a novel postEdit framework, resolving privacy concerns through downstream post-processing and maintaining textual style consistency via fine-grained editing to original responses. Experiments and analysis on two benchmarks demonstrate that postEdit outperforms all baselines and achieves strong generalization, especially with huge improvements on style retention (average $+20.82\%\uparrow$).

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