A General Method for Detecting Information Generated by Large Language Models

• URL: http://arxiv.org/abs/2506.21589v1
• Date: Wed, 18 Jun 2025 04:59:51 GMT
• Title: A General Method for Detecting Information Generated by Large Language Models
• Authors: Minjia Mao, Dongjun Wei, Xiao Fang, Michael Chau,
• Abstract summary: Large language models (LLMs) have transformed the digital information landscape, making it challenging to distinguish between human-written and LLM-generated content.<n>Current detection methods face challenges in generalizing to new (i.e., unseen) LLMs and domains.<n>We introduce a general LLM detector (GLD) that combines a twin memory networks design and a theory-guided detection generalization module.
• Score: 1.3624495460189865
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: The proliferation of large language models (LLMs) has significantly transformed the digital information landscape, making it increasingly challenging to distinguish between human-written and LLM-generated content. Detecting LLM-generated information is essential for preserving trust on digital platforms (e.g., social media and e-commerce sites) and preventing the spread of misinformation, a topic that has garnered significant attention in IS research. However, current detection methods, which primarily focus on identifying content generated by specific LLMs in known domains, face challenges in generalizing to new (i.e., unseen) LLMs and domains. This limitation reduces their effectiveness in real-world applications, where the number of LLMs is rapidly multiplying and content spans a vast array of domains. In response, we introduce a general LLM detector (GLD) that combines a twin memory networks design and a theory-guided detection generalization module to detect LLM-generated information across unseen LLMs and domains. Using real-world datasets, we conduct extensive empirical evaluations and case studies to demonstrate the superiority of GLD over state-of-the-art detection methods. The study has important academic and practical implications for digital platforms and LLMs.

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