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Human preference alignment can greatly enhance Multimodal Large Language Models (MLLMs), but collecting high-quality preference data is costly. A promising solution is the self-evolution strategy, where models are iteratively trained on…

机器学习 · 计算机科学 2024-12-23 Wentao Tan , Qiong Cao , Yibing Zhan , Chao Xue , Changxing Ding

Personalized large language models (LLMs) tailor content to individual preferences using user profiles or histories. However, existing parameter-efficient fine-tuning (PEFT) methods, such as the ``One-PEFT-Per-User'' (OPPU) paradigm,…

计算与语言 · 计算机科学 2025-10-21 Zhaoxuan Tan , Zixuan Zhang , Haoyang Wen , Zheng Li , Rongzhi Zhang , Pei Chen , Fengran Mo , Zheyuan Liu , Qingkai Zeng , Qingyu Yin , Meng Jiang

Alignment with human preference prevents large language models (LLMs) from generating misleading or toxic content while requiring high-cost human feedback. Assuming resources of human annotation are limited, there are two different ways of…

计算与语言 · 计算机科学 2024-04-02 Feifan Song , Bowen Yu , Hao Lang , Haiyang Yu , Fei Huang , Houfeng Wang , Yongbin Li

For aligning large language models (LLMs), prior work has leveraged reinforcement learning via human feedback (RLHF) or variations of direct preference optimization (DPO). While DPO offers a simpler framework based on maximum likelihood…

人工智能 · 计算机科学 2025-05-27 Anirudhan Badrinath , Prabhat Agarwal , Jiajing Xu

Alignment with human preferences is an important evaluation aspect of LLMs, requiring them to be helpful, honest, safe, and to precisely follow human instructions. Evaluating large language models' (LLMs) alignment typically involves…

计算与语言 · 计算机科学 2025-11-26 Yixin Liu , Pengfei Liu , Arman Cohan

Personalized text generation aims to infer users' writing style preferences from their historical texts and generate outputs that faithfully reflect these stylistic characteristics. Existing solutions primarily adopt two paradigms:…

计算与语言 · 计算机科学 2025-03-10 Jinghao Zhang , Yuting Liu , Wenjie Wang , Qiang Liu , Shu Wu , Liang Wang , Tat-Seng Chua

Automatic text simplification (ATS) aims to enhance language accessibility for various target groups, particularly persons with intellectual disabilities. Recent advancements in generative AI, especially large language models (LLMs), have…

计算与语言 · 计算机科学 2025-07-03 Yingqiang Gao , Kaede Johnson , David Froehlich , Luisa Carrer , Sarah Ebling

This paper addresses the challenge of aligning large language models (LLMs) with diverse human preferences within federated learning (FL) environments, where standard methods often fail to adequately represent diverse viewpoints. We…

计算与语言 · 计算机科学 2025-12-17 Mahmoud Srewa , Tianyu Zhao , Salma Elmalaki

The holy grail of LLM personalization is a single LLM for each user, perfectly aligned with that user's preferences. However, maintaining a separate LLM per user is impractical due to constraints on compute, memory, and system complexity.…

计算与语言 · 计算机科学 2026-04-13 Cheol Woo Kim , Jai Moondra , Roozbeh Nahavandi , Andrew Perrault , Milind Tambe , Swati Gupta

User preferences are increasingly used to personalize Large Language Model (LLM) responses, yet how to reliably leverage preference signals for answer generation remains under-explored. In practice, preferences can be noisy, incomplete, or…

计算与语言 · 计算机科学 2026-04-09 Tianyu Zhao , Siqi Li , Yasser Shoukry , Salma Elmalaki

We study the potential of large language models (LLMs) as proxies for humans to simplify preference elicitation (PE) in combinatorial assignment. While traditional PE methods rely on iterative queries to capture preferences, LLMs offer a…

人工智能 · 计算机科学 2025-02-17 Ermis Soumalias , Yanchen Jiang , Kehang Zhu , Michael Curry , Sven Seuken , David C. Parkes

Finding an agreement among diverse opinions is a challenging topic in multiagent systems. Recently, large language models (LLMs) have shown great potential in addressing this challenge due to their remarkable capabilities in comprehending…

计算与语言 · 计算机科学 2023-05-22 Shiyao Ding , Takayuki Ito

Translation is important for cross-language communication, and many efforts have been made to improve its accuracy. However, less investment is conducted in aligning translations with human preferences, such as translation tones or styles.…

计算与语言 · 计算机科学 2024-10-16 Shuqiao Sun , Yutong Yao , Peiwen Wu , Feijun Jiang , Kaifu Zhang

LLMs often fail to meet the specialized needs of distinct user groups due to their one-size-fits-all training paradigm \cite{lucy-etal-2024-one} and there is limited research on what personalization aspects each group expect. To address…

计算与语言 · 计算机科学 2025-03-12 Ishani Mondal , Jack W. Stokes , Sujay Kumar Jauhar , Longqi Yang , Mengting Wan , Xiaofeng Xu , Xia Song , Jennifer Neville

Personalizing large language models (LLMs) is essential for delivering tailored interactions that improve user experience. Many existing personalization methods require fine-tuning LLMs for each user, rendering them prohibitively expensive…

机器学习 · 计算机科学 2025-03-06 Yijing Zhang , Dyah Adila , Changho Shin , Frederic Sala

Personalised text generation is essential for user-centric information systems, yet most evaluation methods overlook the individuality of users. We introduce \textbf{PREF}, a \textbf{P}ersonalised \textbf{R}eference-free \textbf{E}valuation…

计算与语言 · 计算机科学 2025-08-15 Xiao Fu , Hossein A. Rahmani , Bin Wu , Jerome Ramos , Emine Yilmaz , Aldo Lipani

The alignment of large language models (LLMs) with human values is critical as these models become increasingly integrated into various societal and decision-making processes. Traditional methods, such as reinforcement learning from human…

Large Language Models (LLMs) are increasingly used in decision-making scenarios that involve risk assessment, yet their alignment with human economic rationality remains unclear. In this study, we investigate whether LLMs exhibit risk…

综合经济学 · 经济学 2025-09-16 Jiaxin Liu , Yixuan Tang , Yi Yang , Kar Yan Tam

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…

计算与语言 · 计算机科学 2025-06-12 Yilun Qiu , Xiaoyan Zhao , Yang Zhang , Yimeng Bai , Wenjie Wang , Hong Cheng , Fuli Feng , Tat-Seng Chua

Personalized text generation requires a unique ability of large language models (LLMs) to learn from context that they often do not encounter during their standard training. One way to encourage LLMs to better use personalized context for…

计算与语言 · 计算机科学 2025-01-09 Alireza Salemi , Cheng Li , Mingyang Zhang , Qiaozhu Mei , Weize Kong , Tao Chen , Zhuowan Li , Michael Bendersky , Hamed Zamani