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Analyzing Large Language Models for Authorship Identification


Core Concepts
Large Language Models (LLMs) excel in authorship analysis tasks, showcasing proficiency without domain-specific fine-tuning. The novel Linguistically Informed Prompting (LIP) technique enhances explainability and performance.
Abstract
This study evaluates the effectiveness of Large Language Models (LLMs) in authorship verification and attribution tasks. LLMs, particularly GPT-4 Turbo, outperform traditional models like BERT and TF-IDF, especially with linguistic guidance. The Linguistically Informed Prompting (LIP) method significantly improves the accuracy and explainability of authorship analysis by focusing on linguistic features. The research sets a new benchmark for future studies in LLM-based authorship prediction. The study addresses the importance of accurate authorship identification for various applications such as cybersecurity, digital forensics, and combating misinformation. It highlights the potential of LLMs to revolutionize authorship analysis by providing robust solutions for complex tasks. The integration of linguistic guidance enhances the model's ability to understand writing styles and make precise attributions. Key findings include: GPT-4 Turbo consistently outperforms traditional models in both authorship verification and attribution tasks. Increasing prompt guidance from no guidance to LIP improves model performance significantly. LLMs show resilience against increased complexity when handling more candidate authors. The incorporation of linguistic features through the LIP method enhances explainability and precision in authorship analysis.
Stats
Mistral 7B: Weighted F1 - 10.00%, Macro F1 - 9.09%, Micro F1 - 13.33% GPT-3.5 Turbo: Weighted F1 - 16.67%, Macro F1 - 15.15%, Micro F1 - 20.00% GPT-4 Turbo: Weighted F1 - 36.67%, Macro F1 - 33.33%, Micro F1 - 36.67%
Quotes
"LLMs excel at identifying authorship without domain-specific fine-tuning." "Linguistic guidance significantly improves the accuracy of authorship analysis." "The novel LIP technique enhances explainability and performance."

Key Insights Distilled From

by Baixiang Hua... at arxiv.org 03-14-2024

https://arxiv.org/pdf/2403.08213.pdf
Can Large Language Models Identify Authorship?

Deeper Inquiries

How can the findings of this study be applied to real-world scenarios beyond academic research?

The findings of this study have significant implications for real-world applications beyond academic research. In fields such as digital forensics, cybersecurity, and combating misinformation, the ability to accurately identify authorship is crucial. By leveraging Large Language Models (LLMs) for authorship verification and attribution tasks, organizations can enhance their capabilities in tracing cyber threats, detecting fraudulent activities like fake reviews, linking user accounts across social platforms, and identifying compromised accounts. The robust performance of LLMs in zero-shot settings without domain-specific fine-tuning makes them valuable tools for addressing challenges related to data scarcity and diversity in real-world scenarios.

What are potential counterarguments to relying heavily on Large Language Models for authorship identification?

While LLMs offer promising results in authorship identification tasks, there are potential counterarguments that need to be considered when relying heavily on these models: Ethical Concerns: There may be ethical considerations surrounding privacy issues when using LLMs for authorship analysis. Bias and Fairness: LLMs might inherit biases present in the training data which could lead to unfair or inaccurate attributions. Generalization Issues: LLMs may struggle with generalizing across different domains or text lengths if not properly fine-tuned. Explainability Challenges: Despite advancements in explainable AI techniques like Linguistically Informed Prompting (LIP), fully understanding how LLMs arrive at their decisions can still pose challenges.

How might advancements in explainable AI impact the field of computational linguistics moving forward?

Advancements in explainable AI have the potential to revolutionize the field of computational linguistics by providing insights into how language models make decisions regarding authorship analysis: Enhanced Transparency: Explainable AI techniques allow researchers and practitioners to understand why certain decisions are made by language models during authorship identification tasks. Improved Trustworthiness: By offering explanations behind model predictions, stakeholders can trust the outcomes more confidently. Insights into Linguistic Features: Explainable AI methods like Linguistically Informed Prompting (LIP) provide a deeper understanding of linguistic features influencing model predictions. Mitigating Biases: Explanations generated through explainable AI can help identify biases within language models used for computational linguistics tasks and address them effectively. These advancements pave the way for more reliable and interpretable solutions within computational linguistics while ensuring transparency and accountability throughout the decision-making process involving large language models.
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