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The rise of large language models (LLMs) has prompted increasing interest in their use as in-context learning agents. At the core of agentic behavior is the capacity for exploration, or the ability to actively gather information about the…

计算与语言 · 计算机科学 2024-10-14 Nate Rahn , Pierluca D'Oro , Marc G. Bellemare

We investigate the internal behavior of Transformer-based Large Language Models (LLMs) when they generate factually incorrect text. We propose modeling factual queries as constraint satisfaction problems and use this framework to…

We introduce Inference-Time Intervention (ITI), a technique designed to enhance the "truthfulness" of large language models (LLMs). ITI operates by shifting model activations during inference, following a set of directions across a limited…

机器学习 · 计算机科学 2024-06-27 Kenneth Li , Oam Patel , Fernanda Viégas , Hanspeter Pfister , Martin Wattenberg

Controlling undesirable Large Language Model (LLM) behaviors, such as the generation of unsafe content or failing to adhere to safety guidelines, often relies on costly fine-tuning. Activation steering provides an alternative for…

计算与语言 · 计算机科学 2026-03-17 Amr Hegazy , Mostafa Elhoushi , Amr Alanwar

Can large language models introspect, that is, accurately detect perturbations to their own internal states? We systematically investigate this question using activation steering in Meta-Llama-3.1-8B-Instruct. First, we show that the binary…

人工智能 · 计算机科学 2026-03-03 Ely Hahami , Ishaan Sinha , Lavik Jain , Josh Kaplan , Jon Hahami

Despite growing interest in Theory of Mind (ToM) tasks for evaluating language models (LMs), little is known about how LMs internally represent mental states of self and others. Understanding these internal mechanisms is critical - not only…

计算与语言 · 计算机科学 2025-05-20 Matteo Bortoletto , Constantin Ruhdorfer , Lei Shi , Andreas Bulling

The rise of large language models (LLMs) has revolutionized the way that we interact with artificial intelligence systems through natural language. However, LLMs often misinterpret user queries because of their uncertain intention, leading…

计算与语言 · 计算机科学 2024-02-07 Jing-Cheng Pang , Heng-Bo Fan , Pengyuan Wang , Jia-Hao Xiao , Nan Tang , Si-Hang Yang , Chengxing Jia , Sheng-Jun Huang , Yang Yu

We are witnessing a bloom of AI-powered software driven by Large Language Models (LLMs). Although the applications of these LLMs are impressive and seemingly countless, their unreliability hinders adoption. In fact, the tendency of LLMs to…

软件工程 · 计算机科学 2025-10-30 Vincenzo Scotti , Jan Keim , Tobias Hey , Andreas Metzger , Anne Koziolek , Raffaela Mirandola

Large language models (LLMs) have demonstrated remarkable performance on various natural language processing tasks. However, they are prone to generating fluent yet untruthful responses, known as "hallucinations". Hallucinations can lead to…

计算与语言 · 计算机科学 2024-06-18 Minda Hu , Bowei He , Yufei Wang , Liangyou Li , Chen Ma , Irwin King

Although instruction tuning is widely used to adjust behavior in Large Language Models (LLMs), extensive empirical evidence and research indicates that it is primarily a process where the model fits to specific task formats, rather than…

人工智能 · 计算机科学 2024-08-21 Yuanhao Zeng , Fei Ren , Xinpeng Zhou , Yihang Wang , Yingxia Shao

Large Language Models (LLMs) have demonstrated impressive mathematical reasoning capabilities, yet their performance remains brittle to minor variations in problem description and prompting strategy. Furthermore, reasoning is vulnerable to…

计算与语言 · 计算机科学 2025-06-23 Sam Silver , Jimin Sun , Ivan Zhang , Sara Hooker , Eddie Kim

Large language models (LLMs) trained on vast corpora suffer from inevitable stereotype biases. Mitigating these biases with fine-tuning could be both costly and data-hungry. Model editing methods, which focus on modifying LLMs in a post-hoc…

计算与语言 · 计算机科学 2024-02-22 Jianhao Yan , Futing Wang , Yafu Li , Yue Zhang

Aligning large language models with human feedback at inference time has received increasing attention due to its flexibility. Existing methods rely on generating multiple responses from the base policy for search using a reward model,…

计算与语言 · 计算机科学 2026-03-17 Yige Yuan , Teng Xiao , Li Yunfan , Bingbing Xu , Shuchang Tao , Yunqi Qiu , Huawei Shen , Xueqi Cheng

Adapting English-based large language models (LLMs) to other languages has become increasingly popular due to the efficiency and potential of cross-lingual transfer. However, existing language adaptation methods often overlook the benefits…

计算与语言 · 计算机科学 2024-06-07 Ikuya Yamada , Ryokan Ri

Multimodal Large Language Models (MLLMs) have serious security vulnerabilities.While safety alignment using multimodal datasets consisting of text and data of additional modalities can effectively enhance MLLM's security, it is costly to…

计算与语言 · 计算机科学 2025-06-04 Weikai Lu , Hao Peng , Huiping Zhuang , Cen Chen , Ziqian Zeng

Recent advancements in large language models (LLMs) have significantly contributed to the progress of the Text-to-SQL task. A common requirement in many of these works is the post-correction of SQL queries. However, the majority of this…

数据库 · 计算机科学 2025-01-10 Chaofan Li , Yingxia Shao , Yawen Li , Zheng Liu

Despite showing increasingly human-like abilities, large language models (LLMs) often struggle with factual inaccuracies, i.e. "hallucinations", even when they hold relevant knowledge. To address these hallucinations, current approaches…

计算与语言 · 计算机科学 2024-06-12 Xiaoying Zhang , Baolin Peng , Ye Tian , Jingyan Zhou , Lifeng Jin , Linfeng Song , Haitao Mi , Helen Meng

Large language models (LLMs) are increasingly employed in information-seeking and decision-making tasks. Despite their broad utility, LLMs tend to generate information that conflicts with real-world facts, and their persuasive style can…

计算与语言 · 计算机科学 2024-09-19 Arslan Chaudhry , Sridhar Thiagarajan , Dilan Gorur

Large Language Models (LLMs) have made significant strides in the field of artificial intelligence, showcasing their ability to interact with humans and influence human cognition through information dissemination. However, recent studies…

计算与语言 · 计算机科学 2024-11-25 Qingquan Zhang , Qiqi Duan , Bo Yuan , Yuhui Shi , Jialin Liu

Large language models are rapidly transforming social science research by enabling the automation of labor-intensive tasks like data annotation and text analysis. However, LLM outputs vary significantly depending on the implementation…