| Challenge: | Effective protection of private information is essential for knowledge dissemination in sensitive domains such as medical and legal. |
| Approach: | They perform a comprehensive study of privacy risks in LM-based summarization using closed- and four-weight models of different sizes and families. |
| Outcome: | The proposed models show that they leak personally identifiable information in their summaries, compared to human-generated summary summators, which show significantly higher privacy protection levels. |
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| Challenge: | Large language models have revolutionized the field of NLP by achieving state-of-the-art performance on various tasks. |
| Approach: | They investigate the membership inference attack by using model's API to determine if a sample was part of the training data. |
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Understanding LLMs’ summarization capabilities: an analysis of biomedical abstract and lay summary generation (2026.findings-acl)
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| Challenge: | Abstracts use technical language for academic audiences, while lay summaries aim to make findings accessible to non-specialists. |
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The Model’s Language Matters: A Comparative Privacy Analysis of LLMs (2026.findings-eacl)
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| Challenge: | Large language models are increasingly deployed in multilingual settings that process sensitive data . prior privacy evaluations focused on English, but new research shows that language matters for privacy leakage . |
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Privacy Implications of Retrieval-Based Language Models (2023.emnlp-main)
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| Challenge: | a study of retrieval-based language models shows improved interpretability, factuality, and adaptability compared to parametric counterparts . kNN-LMs are more susceptible to leaking private information from their private datastore than parametric models . |
| Approach: | They present the first study of privacy risks in retrieval-based language models . they aim to strike a balance between utility and privacy in domains where privacy is of concern . |
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Combating Security and Privacy Issues in the Era of Large Language Models (2024.naacl-tutorials)
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| Challenge: | a tutorial aims to provide a summary of risks and vulnerabilities in large language models . a number of studies have focused on security, privacy and copyright aspects of LLMs . |
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Controlling What You Share: Assessing Language Model Adherence to Privacy Preferences (2026.findings-acl)
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| Challenge: | Large language models (LLMs) are accessed via commercial APIs, but expose data to service providers. |
| Approach: | They propose a framework where a local model uses natural language instructions to rewrite queries and paired them with synthetic privacy profiles to achieve better privacy preservation. |
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NAP2: A Benchmark for Naturalness and Privacy-Preserving Text Rewriting by Learning from Human (2025.findings-emnlp)
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Shuo Huang, William Maclean, Xiaoxi Kang, Qiongkai Xu, Zhuang Li, Xingliang Yuan, Gholamreza Haffari, Lizhen Qu
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Can Language Models Capture Human Writing Preferences for Domain-Specific Text Summarization? (2025.findings-acl)
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| Challenge: | Recent studies employ large language models as auxiliary tools for humancentered NLP. |
| Approach: | They construct a model to capture human writing preferences by fine-tuning pre-trained models with data and designing prompts to optimize the output of large language models. |
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Large Language Models Can Be Contextual Privacy Protection Learners (2024.emnlp-main)
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Yijia Xiao, Yiqiao Jin, Yushi Bai, Yue Wu, Xianjun Yang, Xiao Luo, Wenchao Yu, Xujiang Zhao, Yanchi Liu, Quanquan Gu, Haifeng Chen, Wei Wang, Wei Cheng
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| Outcome: | The proposed model protects private data while enhancing the model's knowledge. |
Trade-Offs Between Fairness and Privacy in Language Modeling (2023.findings-acl)
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| Challenge: | Existing research suggests that privacy preservation comes at the price of worsening biases in classification tasks. |
| Approach: | They propose to incorporate privacy preservation and de-biasing techniques into training text generation models to investigate the trade-off between the two dimensions. |
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