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As large language models (LLMs) increasingly mediate emotionally sensitive conversations, especially in mental health contexts, their ability to recognize and respond to high-risk situations becomes a matter of public safety. This study…

The rapid advancement of Large Language Models (LLMs) has driven significant progress in Natural Language Interface to Database (NLIDB). However, the widespread adoption of LLMs has raised critical privacy and security concerns. During…

计算与语言 · 计算机科学 2025-11-12 Ruiheng Liu , XiaoBing Chen , Jinyu Zhang , Qiongwen Zhang , Yu Zhang , Bailong Yang

Reinforcement Learning from Human Feedback (RLHF) facilitates the alignment of large language models (LLMs) with human preferences, thereby enhancing the quality of responses generated. A critical component of RLHF is the reward model,…

人工智能 · 计算机科学 2024-06-25 Yulan Hu , Qingyang Li , Sheng Ouyang , Ge Chen , Kaihui Chen , Lijun Mei , Xucheng Ye , Fuzheng Zhang , Yong Liu

Various AI safety datasets have been developed to measure LLMs against evolving interpretations of harm. Our evaluation of five recently published open-source safety benchmarks reveals distinct semantic clusters using UMAP dimensionality…

机器学习 · 计算机科学 2025-05-26 Jonathan Bennion , Shaona Ghosh , Mantek Singh , Nouha Dziri

As large language models (LLMs) become easily accessible nowadays, the trade-off between safety and helpfulness can significantly impact user experience. A model that prioritizes safety will cause users to feel less engaged and assisted…

Large language models (LLMs) are used to generate content for a wide range of tasks, and are set to reach a growing audience in coming years due to integration in product interfaces like ChatGPT or search engines like Bing. This intensifies…

计算与语言 · 计算机科学 2023-03-10 Hannah Rose Kirk , Bertie Vidgen , Paul Röttger , Scott A. Hale

A key concern with the concept of "alignment" is the implicit question of "alignment to what?". AI systems are increasingly used across the world, yet safety alignment is often focused on homogeneous monolingual settings. Additionally,…

计算与语言 · 计算机科学 2024-07-09 Aakanksha , Arash Ahmadian , Beyza Ermis , Seraphina Goldfarb-Tarrant , Julia Kreutzer , Marzieh Fadaee , Sara Hooker

Large language models (LLMs) are increasingly consulted by parents for pediatric guidance, yet their safety under real-world adversarial pressures is poorly understood. Anxious parents often use urgent language that can compromise model…

人工智能 · 计算机科学 2025-12-19 Vahideh Zolfaghari

In this paper we present AnswerCarefully, a dataset for promoting the safety and appropriateness of Japanese LLM outputs. The dataset consists of 1,800 pairs of questions and reference answers, where the questions require special attention…

计算与语言 · 计算机科学 2025-06-04 Hisami Suzuki , Satoru Katsumata , Takashi Kodama , Tetsuro Takahashi , Kouta Nakayama , Satoshi Sekine

Human feedback plays a pivotal role in aligning large language models (LLMs) with human preferences. However, such feedback is often noisy or inconsistent, which can degrade the quality of reward models and hinder alignment. While various…

人工智能 · 计算机科学 2025-10-15 Samuel Yeh , Sharon Li

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

Personalized large language models (LLMs) are designed to tailor responses to individual user preferences. While Reinforcement Learning from Human Feedback (RLHF) is a commonly used framework for aligning LLMs with human preferences,…

计算与语言 · 计算机科学 2024-12-10 Xinyu Li , Ruiyang Zhou , Zachary C. Lipton , Liu Leqi

The safety of Large Language Models (LLMs) has gained increasing attention in recent years, but there still lacks a comprehensive approach for detecting safety issues within LLMs' responses in an aligned, customizable and explainable…

计算与语言 · 计算机科学 2024-11-06 Zhexin Zhang , Yida Lu , Jingyuan Ma , Di Zhang , Rui Li , Pei Ke , Hao Sun , Lei Sha , Zhifang Sui , Hongning Wang , Minlie Huang

Large language models (LLMs) are increasingly deployed in contexts where their failures can have direct sociopolitical consequences. Yet, existing safety benchmarks rarely test vulnerabilities in domains such as political manipulation,…

计算与语言 · 计算机科学 2026-02-24 Punya Syon Pandey , Hai Son Le , Devansh Bhardwaj , Rada Mihalcea , Zhijing Jin

The growing safety concerns surrounding large language models raise an urgent need to align them with diverse human preferences to simultaneously enhance their helpfulness and safety. A promising approach is to enforce safety constraints…

人工智能 · 计算机科学 2024-11-25 Xinmeng Huang , Shuo Li , Edgar Dobriban , Osbert Bastani , Hamed Hassani , Dongsheng Ding

Reinforcement learning from human feedback (RLHF) has emerged as a central framework for aligning large language models (LLMs) with human preferences. Despite its practical success, RLHF raises fundamental statistical questions because it…

机器学习 · 统计学 2026-04-06 Pangpang Liu , Chengchun Shi , Will Wei Sun

Recent advancements in model architectures and length extrapolation techniques have significantly extended the context length of large language models (LLMs), paving the way for their application in increasingly complex tasks. However,…

Reinforcement Learning from Human Feedback (RLHF) has become a pivotal paradigm in artificial intelligence to align large models with human preferences. In this paper, we propose a novel statistical framework to simultaneously conduct the…

机器学习 · 统计学 2026-05-01 Nan Lu , Ethan Lee , Ethan X. Fang , Junwei Lu

We present a theoretical framework showing that popular LLM alignment methods, including RLHF and its variants, can be understood as divergence estimators between aligned (safe or preferred) and unaligned (harmful or less preferred)…

机器学习 · 计算机科学 2025-10-22 Rajdeep Haldar , Ziyi Wang , Qifan Song , Guang Lin , Yue Xing