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Fine-tuning is a common and effective method for tailoring large language models (LLMs) to specialized tasks and applications. In this paper, we study the privacy implications of fine-tuning LLMs on user data. To this end, we consider a…

Cryptography and Security · Computer Science 2024-02-27 Nikhil Kandpal , Krishna Pillutla , Alina Oprea , Peter Kairouz , Christopher A. Choquette-Choo , Zheng Xu

This study proposes a novel methodology for generating personalized fake news debunking messages by prompting Large Language Models (LLMs) with persona-based inputs aligned to the Big Five personality traits: Extraversion, Agreeableness,…

Artificial Intelligence · Computer Science 2026-03-11 Pietro Dell'Oglio , Alessandro Bondielli , Francesco Marcelloni , Lucia C. Passaro

The alignment of large language models (LLMs) is crucial not only for unlocking their potential in specific tasks but also for ensuring that responses meet human expectations and adhere to safety and ethical principles. Current alignment…

Computation and Language · Computer Science 2024-06-18 Ruijun Chen , Jiehao Liang , Shiping Gao , Fanqi Wan , Xiaojun Quan

Personalized large language models (LLMs) have attracted great attention in many applications, such as emotional support and role-playing. However, existing works primarily focus on modeling explicit character profiles, while ignoring the…

Computation and Language · Computer Science 2025-07-25 Yuhao Dan , Jie Zhou , Qin Chen , Junfeng Tian , Liang He

Large Language Models (LLMs) are increasingly deployed in roles requiring nuanced psychological understanding, such as emotional support agents, counselors, and decision-making assistants. However, their ability to interpret human…

Computation and Language · Computer Science 2025-09-17 Jianfeng Zhu , Julina Maharjan , Xinyu Li , Karin G. Coifman , Ruoming Jin

Large language models (LLMs) have become increasingly capable of following instructions and complex reasoning, making prompting a flexible interface for adapting models without parameter updates. Yet prompt design remains labor-intensive…

Computation and Language · Computer Science 2026-05-22 Farima Fatahi Bayat , Moin Aminnaseri , Pouya Pezeshkpour , Estevam Hruschka

Going beyond mimicking limited human experiences, recent studies show initial evidence that, like humans, large language models (LLMs) are capable of improving their abilities purely by self-correction, i.e., correcting previous responses…

Machine Learning · Computer Science 2024-11-19 Yifei Wang , Yuyang Wu , Zeming Wei , Stefanie Jegelka , Yisen Wang

When using supervised fine-tuning (SFT) to adapt large language models (LLMs) to specific domains, a significant challenge arises: should we use the entire SFT dataset for fine-tuning? Common practice often involves fine-tuning directly on…

Computation and Language · Computer Science 2025-05-26 Xiang Liu , Zhaoxiang Liu , Peng Wang , Kohou Wang , Huan Hu , Kai Wang , Shiguo Lian

Large Language Models (LLMs) have achieved excellent performances in various tasks. However, fine-tuning an LLM requires extensive supervision. Human, on the other hand, may improve their reasoning abilities by self-thinking without…

Computation and Language · Computer Science 2022-10-26 Jiaxin Huang , Shixiang Shane Gu , Le Hou , Yuexin Wu , Xuezhi Wang , Hongkun Yu , Jiawei Han

Personalizing Large Language Models (LLMs) has become a critical step in facilitating their widespread application to enhance individual life experiences. In pursuit of personalization, distilling key preference information from an…

Computation and Language · Computer Science 2025-06-12 Yilun Qiu , Xiaoyan Zhao , Yang Zhang , Yimeng Bai , Wenjie Wang , Hong Cheng , Fuli Feng , Tat-Seng Chua

The versatility of Large Language Models (LLMs) on natural language understanding tasks has made them popular for research in social sciences. To properly understand the properties and innate personas of LLMs, researchers have performed…

Computation and Language · Computer Science 2024-04-03 Bangzhao Shu , Lechen Zhang , Minje Choi , Lavinia Dunagan , Lajanugen Logeswaran , Moontae Lee , Dallas Card , David Jurgens

With the rise of Large Language Models (LLMs) and their ubiquitous deployment in diverse domains, measuring language model behavior on realistic data is imperative. For example, a company deploying a client-facing chatbot must ensure that…

Computation and Language · Computer Science 2023-06-30 Neel Jain , Khalid Saifullah , Yuxin Wen , John Kirchenbauer , Manli Shu , Aniruddha Saha , Micah Goldblum , Jonas Geiping , Tom Goldstein

Polite speech poses a fundamental alignment challenge for large language models (LLMs). Humans deploy a rich repertoire of linguistic strategies to balance informational and social goals -- from positive approaches that build rapport…

Computation and Language · Computer Science 2025-10-31 Haoran Zhao , Robert D. Hawkins

Automatic evaluation by large language models (LLMs) is a prominent topic today; however, judgment and evaluation tasks are often subjective and influenced by various factors, making adaptation challenging. While many studies demonstrate…

Computation and Language · Computer Science 2024-12-11 Javad Seraj , Mohammad Mahdi Mohajeri , Mohammad Javad Dousti , Majid Nili Ahmadabadi

Although large language models have demonstrated the potential for personalized advertising recommendations in experimental environments, in actual operations, how advertising recommendation systems can be combined with measures such as…

Computation and Language · Computer Science 2025-05-09 Haoyang Feng , Yanjun Dai , Yuan Gao

Standardized, one-size-fits-all educational content often fails to connect with students' individual backgrounds and interests, leading to disengagement and a perceived lack of relevance. To address this challenge, we introduce PAGE, a…

Human-Computer Interaction · Computer Science 2025-09-19 Joy Jia Yin Lim , Daniel Zhang-Li , Jifan Yu , Xin Cong , Ye He , Zhiyuan Liu , Huiqin Liu , Lei Hou , Juanzi Li , Bin Xu

Accurately simulating the decisions of a specific individual remains challenging for large language models (LLMs), partly because persona information is often provided as static descriptions that miss the values, experiences, and contextual…

Computation and Language · Computer Science 2026-05-29 Ruoxi Su , Yuhan Liu , Jingyu Hu

Questionnaires are a common method for detecting the personality of Large Language Models (LLMs). However, their reliability is often compromised by two main issues: hallucinations (where LLMs produce inaccurate or irrelevant responses) and…

Computation and Language · Computer Science 2024-10-14 Baohua Zhan , Yongyi Huang , Wenyao Cui , Huaping Zhang , Jianyun Shang

Large language models (LLMs) have advanced conversational AI assistants. However, systematically evaluating how well these assistants apply personalization--adapting to individual user preferences while completing tasks--remains…

Computation and Language · Computer Science 2025-06-12 Zheng Zhao , Clara Vania , Subhradeep Kayal , Naila Khan , Shay B. Cohen , Emine Yilmaz

Abbreviation expansion is a strategy used to speed up communication by limiting the amount of typing and using a language model to suggest expansions. Here we look at personalizing a Large Language Model's (LLM) suggestions based on prior…

Computation and Language · Computer Science 2023-12-25 Katrin Tomanek , Shanqing Cai , Subhashini Venugopalan