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Related papers: Localizing Persona Representations in LLMs

200 papers

Large language models (LLMs) exhibit remarkable versatility in adopting diverse personas. In this study, we examine how assigning a persona influences a model's reasoning on an objective task. Using activation patching, we take a first step…

Machine Learning · Computer Science 2025-09-23 Ansh Poonia , Maeghal Jain

Recent work shows that large language models (LLMs) encode behavioural traits ("personas") as linear directions in activation space, often called "persona vectors". Prior work has used such directions as static handles for behavioural…

Artificial Intelligence · Computer Science 2026-05-12 Nils A. Herrmann , Leander Girrbach , Kirill Bykov , Zeynep Akata

Visualizations are essential tools for disseminating information regarding elections and their outcomes, potentially influencing public perceptions. Personas, delineating distinctive segments within the populace, furnish a valuable…

Human-Computer Interaction · Computer Science 2025-07-30 Swaroop Panda , Arun Kumar Sekar

Synthetic personae experiments have become a prominent method in Large Language Model alignment research, yet the representativeness and ecological validity of these personae vary considerably between studies. Through a review of 63…

Computers and Society · Computer Science 2025-12-02 Jan Batzner , Volker Stocker , Bingjun Tang , Anusha Natarajan , Qinhao Chen , Stefan Schmid , Gjergji Kasneci

The concept of persona, originally adopted in dialogue literature, has re-surged as a promising framework for tailoring large language models (LLMs) to specific context (e.g., personalized search, LLM-as-a-judge). However, the growing…

Computation and Language · Computer Science 2024-10-08 Yu-Min Tseng , Yu-Chao Huang , Teng-Yun Hsiao , Wei-Lin Chen , Chao-Wei Huang , Yu Meng , Yun-Nung Chen

Large language models (LLMs) often produce errors, including factual inaccuracies, biases, and reasoning failures, collectively referred to as "hallucinations". Recent studies have demonstrated that LLMs' internal states encode information…

Computation and Language · Computer Science 2025-05-20 Hadas Orgad , Michael Toker , Zorik Gekhman , Roi Reichart , Idan Szpektor , Hadas Kotek , Yonatan Belinkov

Assessing personality traits using large language models (LLMs) has emerged as an interesting and challenging area of research. While previous methods employ explicit questionnaires, often derived from the Big Five model of personality, we…

Computation and Language · Computer Science 2024-09-17 Joseph Suh , Suhong Moon , Minwoo Kang , David M. Chan

Humans organize knowledge into compact conceptual categories that balance compression with semantic richness. Large Language Models (LLMs) exhibit impressive linguistic abilities, but whether they navigate this same compression-meaning…

Computation and Language · Computer Science 2025-12-03 Chen Shani , Liron Soffer , Dan Jurafsky , Yann LeCun , Ravid Shwartz-Ziv

Despite the effectiveness of large language models (LLMs) for code generation, they often output incorrect code. One reason is that model output probabilities are often not well-correlated with correctness, and reflect only the final output…

Software Engineering · Computer Science 2026-01-22 Francisco Ribeiro , Claudio Spiess , Prem Devanbu , Sarah Nadi

Contemporary research in social sciences increasingly utilizes state-of-the-art generative language models to annotate or generate content. While these models achieve benchmark-leading performance on common language tasks, their application…

Computation and Language · Computer Science 2025-07-15 Simon Münker

People acquire concepts through rich physical and social experiences and use them to understand and navigate the world. In contrast, large language models (LLMs), trained solely through next-token prediction on text, exhibit strikingly…

Computation and Language · Computer Science 2025-11-11 Ningyu Xu , Qi Zhang , Chao Du , Qiang Luo , Xipeng Qiu , Xuanjing Huang , Menghan Zhang

Large language models (LLMs) have demonstrated emergent abilities across diverse tasks, raising the question of whether they acquire internal world models. In this work, we investigate whether LLMs implicitly encode linear spatial world…

Artificial Intelligence · Computer Science 2025-06-04 Matthieu Tehenan , Christian Bolivar Moya , Tenghai Long , Guang Lin

The analysis of political biases in large language models (LLMs) has primarily examined these systems as single entities with fixed viewpoints. While various methods exist for measuring such biases, the impact of persona-based prompting on…

Computation and Language · Computer Science 2025-02-27 Pietro Bernardelle , Leon Fröhling , Stefano Civelli , Riccardo Lunardi , Kevin Roitero , Gianluca Demartini

Named entities are fundamental building blocks of knowledge in text, grounding factual information and structuring relationships within language. Despite their importance, it remains unclear how Large Language Models (LLMs) internally…

Computation and Language · Computer Science 2025-10-13 Victor Morand , Josiane Mothe , Benjamin Piwowarski

Studies of LLMs' political opinions mainly rely on evaluations of their open-ended responses. Recent work indicates that there is a misalignment between LLMs' responses and their internal intentions. This motivates us to probe LLMs'…

Computation and Language · Computer Science 2025-06-06 Jingyu Hu , Mengyue Yang , Mengnan Du , Weiru Liu

Large language models (LLMs) are known to generate biased responses where the opinions of certain groups and populations are underrepresented. Here, we present a novel approach to achieve controllable generation of specific viewpoints using…

Computation and Language · Computer Science 2024-04-04 Junyi Li , Ninareh Mehrabi , Charith Peris , Palash Goyal , Kai-Wei Chang , Aram Galstyan , Richard Zemel , Rahul Gupta

Large Language Models (LLMs) have demonstrated human-like capabilities in language comprehension and generation, becoming active participants in social and cognitive domains. This study investigates whether LLMs exhibit personality-like…

Computation and Language · Computer Science 2025-05-22 Wang Jiaqi , Wang bo , Guo fa , Cheng cheng , Yang li

Large language models are increasingly used to represent human opinions, values, or beliefs, and their steerability towards these ideals is an active area of research. Existing work focuses predominantly on aligning marginal response…

Computation and Language · Computer Science 2026-04-22 Tristan Williams , Franziska Weeber , Sebastian Padó , Alan Akbik

Despite the many use cases for large language models (LLMs) in creating personalized chatbots, there has been limited research on evaluating the extent to which the behaviors of personalized LLMs accurately and consistently reflect specific…

Computation and Language · Computer Science 2024-04-03 Hang Jiang , Xiajie Zhang , Xubo Cao , Cynthia Breazeal , Deb Roy , Jad Kabbara

The emergence of Large Language Models (LLMs), has opened exciting possibilities for constructing computational simulations designed to replicate human behavior accurately. Current research suggests that LLM-based agents become increasingly…

Computation and Language · Computer Science 2024-12-18 Amir Taubenfeld , Yaniv Dover , Roi Reichart , Ariel Goldstein