Challenge: Empirical findings show that although both LLMs and humans generate distinct discourse patterns influenced by specific domains, human-written texts exhibit more structural variability, reflecting the nuanced nature of human writing in different domains.
Approach: They propose a method to leverage hierarchical parse trees and recursive hypergraphs to uncover distinctive discourse patterns in texts written by humans and LLMs.
Outcome: The proposed method combines hierarchical parse trees and recursive hypergraphs to uncover distinctive discourse patterns in texts produced by both LLMs and humans.

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Challenge: Recent studies have focused on using LLMs to classify text as either human-written or machine-generated .
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MOSAIC: Multiple Observers Spotting AI Content (2025.findings-acl)

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Challenge: Large Language Models (LLMs) have made it easier for all to produce harmful, toxic, faked or forged content.
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AI Argues Differently: Distinct Argumentative and Linguistic Patterns of LLMs in Persuasive Contexts (2025.emnlp-main)

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A Survey on Detection of LLMs-Generated Content (2024.findings-emnlp)

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From Text to Source: Results in Detecting Large Language Model-Generated Content (2024.lrec-main)

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Challenge: Large Language Models (LLMs) generate human-like text, but have ethical and misuse concerns.
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Low-Perplexity LLM-Generated Sequences and Where To Find Them (2025.acl-srw)

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Frankentext: Stitching random text fragments into long-form narratives (2026.acl-long)

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Challenge: Large language models excel at machine translation, but the impact of how LLMs utilize different forms of contextual information on discourse-level phenomena remains underexplored.
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