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The application of Large Language Models (LLMs) in healthcare is expanding rapidly, with one potential use case being the translation of formal medical reports into patient-legible equivalents. Currently, LLM outputs often need to be edited…

Multiagent Systems · Computer Science 2024-08-06 Malavikha Sudarshan , Sophie Shih , Estella Yee , Alina Yang , John Zou , Cathy Chen , Quan Zhou , Leon Chen , Chinmay Singhal , George Shih

Recent advances in Vision-Language-Action (VLA) models have shown strong potential for general-purpose robotic manipulation. However, the visual representations of most VLA models are often dominated by global object appearance and struggle…

Robotics · Computer Science 2026-05-19 Weijie Kong , Zhian Su , Wei Yu , Huixu Dong

Aligned language models that are trained to refuse harmful requests also exhibit over-refusal: they decline safe instructions that seemingly resemble harmful instructions. A natural approach is to ablate the global refusal direction,…

Computation and Language · Computer Science 2026-05-29 Utsav Maskey , Mark Dras , Usman Naseem

Large Language Models (LLMs) have shown remarkable capabilities in natural language tasks requiring complex reasoning, yet their application in agentic, multi-step reasoning within interactive environments remains a difficult challenge.…

Artificial Intelligence · Computer Science 2024-08-15 Pranav Putta , Edmund Mills , Naman Garg , Sumeet Motwani , Chelsea Finn , Divyansh Garg , Rafael Rafailov

Language models are commonly fine-tuned for safety alignment to refuse harmful prompts. One approach fine-tunes them to generate categorical refusal tokens that distinguish different refusal types before responding. In this work, we…

Artificial Intelligence · Computer Science 2026-03-17 Rishab Alagharu , Ishneet Sukhvinder Singh , Shaibi Shamsudeen , Zhen Wu , Ashwinee Panda

Large Language Models (LLMs) have emerged as powerful tools, but their inherent safety risks - ranging from harmful content generation to broader societal harms - pose significant challenges. These risks can be amplified by the recent…

Large language models (LLMs) have been increasingly used to interact with external environments (e.g., games, compilers, APIs) as goal-driven agents. However, it remains challenging for these language agents to quickly and efficiently learn…

Artificial Intelligence · Computer Science 2023-10-11 Noah Shinn , Federico Cassano , Edward Berman , Ashwin Gopinath , Karthik Narasimhan , Shunyu Yao

Recently, Vision-Language-Action (VLA) models have demonstrated strong performance on a range of robotic tasks. These models rely on multimodal inputs, with language instructions playing a crucial role -- not only in predicting actions, but…

Artificial Intelligence · Computer Science 2025-08-25 Wen-Han Hsieh , Elvis Hsieh , Dantong Niu , Trevor Darrell , Roei Herzig , David M. Chan

Large Language Models (LLMs) are increasingly deployed as agentic systems that plan, memorize, and act in open-world environments. This shift brings new security problems: failures are no longer only unsafe text generation, but can become…

Cryptography and Security · Computer Science 2026-03-03 Zhihang Deng , Jiaping Gui , Weinan Zhang

Website hacking is a frequent attack type used by malicious actors to obtain confidential information, modify the integrity of web pages or make websites unavailable. The tools used by attackers are becoming more and more automated and…

Cryptography and Security · Computer Science 2020-09-24 Laszlo Erdodi , Fabio Massimo Zennaro

Language Model Agents (LMAs) are increasingly treated as capable of autonomously navigating interactions with humans and tools. Their design and deployment tends to presume they are normal agents capable of sustaining coherent goals,…

Artificial Intelligence · Computer Science 2025-02-18 Elija Perrier , Michael Timothy Bennett

Embodied agents designed to assist users with tasks must engage in natural language interactions, interpret instructions, execute actions, and communicate effectively to resolve issues. However, collecting large-scale, diverse datasets of…

Computation and Language · Computer Science 2024-11-01 Daniel Philipov , Vardhan Dongre , Gokhan Tur , Dilek Hakkani-Tür

Many of us now treat LLMs as modern-day oracles asking it almost any kind of question. However, consulting an LLM does not have to be a single turn activity. But long multi-turn interactions can get tedious if it is simply to clarify…

Artificial Intelligence · Computer Science 2025-07-08 Riya Naik , Ashwin Srinivasan , Swati Agarwal , Estrid He

Vision-Language-Action (VLA) models often suffer from performance degradation under distribution shifts, as they struggle to learn generalized behavior representations across varying environments. While existing approaches attempt to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Bing Hu , Zaijing Li , Rui Shao , Junda Chen , April Hua Liu , Wei-Shi Zheng , Liqiang Nie

Large language model (LLM) safety classifiers such as Llama Guard are effective at detecting overtly harmful prompts but remain vulnerable to adversarial jailbreak attacks that disguise malicious intent through role-play scenarios,…

Cryptography and Security · Computer Science 2026-05-26 Lixing Lin , Juli You , Yue Li , Luyun Lin , Yiqing Wang , Zhen Zhang , Moxuan Zheng

Securing AI agents powered by Large Language Models (LLMs) represents one of the most critical challenges in AI security today. Unlike traditional software, AI agents leverage LLMs as their "brain" to autonomously perform actions via…

Cryptography and Security · Computer Science 2025-11-25 Itay Hazan , Yael Mathov , Guy Shtar , Ron Bitton , Itsik Mantin

Autonomous agents based on large language models (LLMs) are rapidly emerging as a general-purpose technology, with recent systems such as OpenClaw extending their capabilities through broad tool use, third-party skills, and deeper…

Cryptography and Security · Computer Science 2026-05-15 Lukas Pirch , Micha Horlboge , Patrick Großmann , Syeda Mahnur Asif , Klim Kireev , Thorsten Holz , Konrad Rieck

With the development of large language models (LLMs) like ChatGPT, both their vast applications and potential vulnerabilities have come to the forefront. While developers have integrated multiple safety mechanisms to mitigate their misuse,…

Computation and Language · Computer Science 2024-07-23 Xiao Liu , Liangzhi Li , Tong Xiang , Fuying Ye , Lu Wei , Wangyue Li , Noa Garcia

In this report, we explore the ability of language model agents to acquire resources, create copies of themselves, and adapt to novel challenges they encounter in the wild. We refer to this cluster of capabilities as "autonomous replication…

The advancement of large Vision-Language-Action (VLA) models has significantly improved robotic manipulation in terms of language-guided task execution and generalization to unseen scenarios. While existing VLAs adapted from pretrained…