KnowLA: Enhancing Parameter-efficient Finetuning with Knowledgeable Adaptation

• URL: http://arxiv.org/abs/2403.14950v1
• Date: Fri, 22 Mar 2024 04:48:41 GMT
• Title: KnowLA: Enhancing Parameter-efficient Finetuning with Knowledgeable Adaptation
• Authors: Xindi Luo, Zequn Sun, Jing Zhao, Zhe Zhao, Wei Hu,
• Abstract summary: We propose a knowledgeable adaptation method called KnowLA. It inserts an adaptation layer into an LLM to integrate the embeddings of entities appearing in the input text.
• Score: 18.593612008576265
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Parameter-efficient finetuning (PEFT) is a key technique for adapting large language models (LLMs) to downstream tasks. In this paper, we study leveraging knowledge graph embeddings to improve the effectiveness of PEFT. We propose a knowledgeable adaptation method called KnowLA. It inserts an adaptation layer into an LLM to integrate the embeddings of entities appearing in the input text. The adaptation layer is trained in combination with LoRA on instruction data. Experiments on six benchmarks with two popular LLMs and three knowledge graphs demonstrate the effectiveness and robustness of KnowLA. We show that \modelname can help activate the relevant parameterized knowledge in an LLM to answer a question without changing its parameters or input prompts.

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