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Activation steering methods are widely used to control large language model (LLM) behavior and are often interpreted as revealing meaningful internal representations. This interpretation assumes that steering directions are identifiable and…

机器学习 · 计算机科学 2026-04-02 Sohan Venkatesh , Ashish Mahendran Kurapath

Reflection, the ability of large language models (LLMs) to evaluate and revise their own reasoning, has been widely used to improve performance on complex reasoning tasks. Yet, most prior works emphasizes designing reflective prompting…

机器学习 · 计算机科学 2025-12-12 Fu-Chieh Chang , Yu-Ting Lee , Pei-Yuan Wu

Large language models (LLMs) demonstrate strong chain-of-thought (CoT) reasoning abilities, while smaller models (<= 3B parameters) significantly underperform on multi-step reasoning tasks. Based on empirical analyses of the Qwen-2.5 model…

人工智能 · 计算机科学 2026-05-29 Yang Ouyang , Shuhang Lin , Jung-Eun Kim

The performance of Large Language Models (LLMs) relies heavily on the quality of prompts, which are often manually engineered and task-specific, making them costly and non-scalable. We propose a novel approach, Supervisory Prompt Training…

计算与语言 · 计算机科学 2024-03-28 Jean Ghislain Billa , Min Oh , Liang Du

Steering methods for language models (LMs) seek to provide fine-grained and interpretable control over model generations by variously changing model inputs, weights, or representations to adjust behavior. Recent work has shown that…

计算与语言 · 计算机科学 2025-05-28 Zhengxuan Wu , Qinan Yu , Aryaman Arora , Christopher D. Manning , Christopher Potts

Existing methods fail to effectively steer Large Language Models (LLMs) between textual reasoning and code generation, leaving symbolic computing capabilities underutilized. We introduce CodeSteer, an effective method for guiding LLM…

计算与语言 · 计算机科学 2025-05-30 Yongchao Chen , Yilun Hao , Yueying Liu , Yang Zhang , Chuchu Fan

This paper investigates using large language models (LLMs) to generate control actions directly, without requiring control-engineering expertise or hand-tuned algorithms. We implement several variants: (i) prompt-only, (ii) tool-assisted…

系统与控制 · 电气工程与系统科学 2025-11-04 Adil Rasheed , Oscar Ravik , Omer San

Activation steering methods in large language models (LLMs) have emerged as an effective way to perform targeted updates to enhance generated language without requiring large amounts of adaptation data. We ask whether the features…

Steering has emerged as a promising approach in controlling large language models (LLMs) without modifying model parameters. However, most existing steering methods rely on large-scale datasets to learn clear behavioral information, which…

机器学习 · 计算机科学 2025-10-06 Anyi Wang , Xuansheng Wu , Dong Shu , Yunpu Ma , Ninghao Liu

We introduce HTLM, a hyper-text language model trained on a large-scale web crawl. Modeling hyper-text has a number of advantages: (1) it is easily gathered at scale, (2) it provides rich document-level and end-task-adjacent supervision…

计算与语言 · 计算机科学 2021-07-16 Armen Aghajanyan , Dmytro Okhonko , Mike Lewis , Mandar Joshi , Hu Xu , Gargi Ghosh , Luke Zettlemoyer

Model steering represents a powerful technique that dynamically aligns large language models (LLMs) with human preferences during inference. However, conventional model-steering methods rely heavily on externally annotated data, not only…

计算与语言 · 计算机科学 2025-07-15 Rongyi Zhu , Yuhui Wang , Tanqiu Jiang , Jiacheng Liang , Ting Wang

The memorization of training data by Large Language Models (LLMs) poses significant risks, including privacy leaks and the regurgitation of copyrighted content. Activation steering, a technique that directly intervenes in model activations,…

计算与语言 · 计算机科学 2025-03-11 Manan Suri , Nishit Anand , Amisha Bhaskar

As large language models (LLMs) improve in their capacity to serve as personal AI assistants, their ability to output uniquely tailored, personalized responses that align with the soft preferences of their users is essential for enhancing…

人机交互 · 计算机科学 2025-05-15 Jessica Y. Bo , Tianyu Xu , Ishan Chatterjee , Katrina Passarella-Ward , Achin Kulshrestha , D Shin

Activation steering has emerged as a cost-effective paradigm for modifying large language model (LLM) behaviors. Existing methods typically intervene at the block level, steering the bundled activations of selected attention heads,…

As LLMs are increasingly deployed in real-world applications, ensuring their ability to refuse malicious prompts, especially jailbreak attacks, is essential for safe and reliable use. Recently, activation steering has emerged as an…

While large language models (LLMs) have seen unprecedented advancements in capabilities and applications across a variety of use-cases, safety alignment of these models is still an area of active research. The fragile nature of LLMs, even…

计算与语言 · 计算机科学 2024-10-03 Amrita Bhattacharjee , Shaona Ghosh , Traian Rebedea , Christopher Parisien

Large language models (LLMs) have achieved remarkable performance across many generation tasks. Nevertheless, effectively aligning them with desired behaviors remains a significant challenge. Activation steering is an effective and…

计算与语言 · 计算机科学 2025-10-02 Zifeng Cheng , Jinwei Gan , Zhiwei Jiang , Cong Wang , Yafeng Yin , Xiang Luo , Yuchen Fu , Qing Gu

Given the prompt "Rome is in", can we steer a language model to flip its prediction of an incorrect token "France" to a correct token "Italy" by only multiplying a few relevant activation vectors with scalars? We argue that successfully…

计算与语言 · 计算机科学 2024-10-08 Niklas Stoehr , Kevin Du , Vésteinn Snæbjarnarson , Robert West , Ryan Cotterell , Aaron Schein

Large language models (LLMs) encode a diverse range of linguistic features within their latent representations, which can be harnessed to steer their output toward specific target characteristics. In this paper, we modify the internal…

计算与语言 · 计算机科学 2025-02-27 Sumanta Bhattacharyya , Pedram Rooshenas

This work examines whether activating latent subspaces in language models (LLMs) can steer scientific code generation toward a specific programming language. Five causal LLMs were first evaluated on scientific coding prompts to quantify…

人工智能 · 计算机科学 2025-06-24 Vansh Sharma , Venkat Raman