LLM-DER:A Named Entity Recognition Method Based on Large Language Models for Chinese Coal Chemical Domain

• URL: http://arxiv.org/abs/2409.10077v1
• Date: Mon, 16 Sep 2024 08:28:05 GMT
• Title: LLM-DER:A Named Entity Recognition Method Based on Large Language Models for Chinese Coal Chemical Domain
• Authors: Le Xiao, Yunfei Xu, Jing Zhao,
• Abstract summary: We propose a Large Language Models (LLMs)-based entity recognition framework LLM-DER for the domain-specific entity recognition problem in Chinese. LLMs-DER generates a list of relationships containing entity types through LLMs, and designs a plausibility and consistency evaluation method to remove misrecognized entities. The experimental results of this paper on the Resume dataset and the self-constructed coal chemical dataset Coal show that LLM-DER performs outstandingly in domain-specific entity recognition.
• Score: 4.639851504108679
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Domain-specific Named Entity Recognition (NER), whose goal is to recognize domain-specific entities and their categories, provides an important support for constructing domain knowledge graphs. Currently, deep learning-based methods are widely used and effective in NER tasks, but due to the reliance on large-scale labeled data. As a result, the scarcity of labeled data in a specific domain will limit its application.Therefore, many researches started to introduce few-shot methods and achieved some results. However, the entity structures in specific domains are often complex, and the current few-shot methods are difficult to adapt to NER tasks with complex features.Taking the Chinese coal chemical industry domain as an example,there exists a complex structure of multiple entities sharing a single entity, as well as multiple relationships for the same pair of entities, which affects the NER task under the sample less condition.In this paper, we propose a Large Language Models (LLMs)-based entity recognition framework LLM-DER for the domain-specific entity recognition problem in Chinese, which enriches the entity information by generating a list of relationships containing entity types through LLMs, and designing a plausibility and consistency evaluation method to remove misrecognized entities, which can effectively solve the complex structural entity recognition problem in a specific domain.The experimental results of this paper on the Resume dataset and the self-constructed coal chemical dataset Coal show that LLM-DER performs outstandingly in domain-specific entity recognition, not only outperforming the existing GPT-3.5-turbo baseline, but also exceeding the fully-supervised baseline, verifying its effectiveness in entity recognition.

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