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Prompt learning has become the most effective paradigm for adapting large pre-trained vision-language models (VLMs) to downstream tasks. Recently, unsupervised prompt tuning methods, such as UPL and POUF, directly leverage pseudo-labels as…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Sifan Long , Linbin Wang , Zhen Zhao , Zichang Tan , Yiming Wu , Shengsheng Wang , Jingdong Wang

Large language models (LLMs) are designed to perform a wide range of tasks. To improve their ability to solve complex problems requiring multi-step reasoning, recent research leverages process reward modeling to provide fine-grained…

计算与语言 · 计算机科学 2025-09-29 Weixuan Wang , Minghao Wu , Barry Haddow , Alexandra Birch

Diffusion large language models (dLLMs) have shown great potential in large-scale language modeling, and there is an increasing interest in further improving the capacity to solve complex problems by guiding the reasoning process step by…

计算与语言 · 计算机科学 2025-10-01 Tianlang Chen , Minkai Xu , Jure Leskovec , Stefano Ermon

Prompt optimization improves the reasoning abilities of large language models (LLMs) without requiring parameter updates to the target model. Following heuristic-based "Think step by step" approaches, the field has evolved in two main…

计算与语言 · 计算机科学 2025-07-25 Andreea Nica , Ivan Zakazov , Nicolas Mario Baldwin , Saibo Geng , Robert West

Offline imitation learning (offline IL) enables training effective policies without requiring explicit reward annotations. Recent approaches attempt to estimate rewards for unlabeled datasets using a small set of expert demonstrations.…

机器学习 · 计算机科学 2025-11-19 Shengjie Sun , Jiafei Lyu , Runze Liu , Mengbei Yan , Bo Liu , Deheng Ye , Xiu Li

Large language models have shown promise in clinical decision making, but current approaches struggle to localize and correct errors at specific steps of the reasoning process. This limitation is critical in medicine, where identifying and…

Large Language Model (LLM) agents are increasingly deployed for complex, multi-step software engineering (SWE) tasks. However, their trajectories often contain costly inefficiencies, such as redundant exploration, looping, and failure to…

人工智能 · 计算机科学 2025-10-22 Shubham Gandhi , Jason Tsay , Jatin Ganhotra , Kiran Kate , Yara Rizk

Villalobos et al. [2024] predict that publicly available human text will be exhausted within the next decade. Thus, improving models without access to ground-truth labels becomes increasingly important. We propose a label-free…

机器学习 · 计算机科学 2026-01-28 Yuqing Kong , Mingyu Song , Yizhou Wang , Yifan Wu

Recently, prompt tuning \cite{lester2021power} has gradually become a new paradigm for NLP, which only depends on the representation of the words by freezing the parameters of pre-trained language models (PLMs) to obtain remarkable…

计算与语言 · 计算机科学 2022-01-31 Pan He , Yuxi Chen , Yan Wang , Yanru Zhang

Despite significant advancements in Large Language Models (LLMs), developing advanced reasoning capabilities in LLMs remains a key challenge. Process Reward Models (PRMs) have demonstrated exceptional promise in enhancing reasoning by…

计算与语言 · 计算机科学 2025-06-26 Miao Peng , Nuo Chen , Zongrui Suo , Jia Li

Recent studies on post-training large language models (LLMs) for reasoning through reinforcement learning (RL) typically focus on tasks that can be accurately verified and rewarded, such as solving math problems. In contrast, our research…

计算与语言 · 计算机科学 2025-05-29 Ang Lv , Ruobing Xie , Xingwu Sun , Zhanhui Kang , Rui Yan

Large Multimodal Models (LMMs) have demonstrated impressive capabilities in visual-language tasks but face significant deployment challenges due to their high computational demands. While recent token reduction methods show promise for…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Bingxin Xu , Yuzhang Shang , Yunhao Ge , Qian Lou , Yan Yan

Automatic speech recognition (ASR) models rely on high-quality transcribed data for effective training. Generating pseudo-labels for large unlabeled audio datasets often relies on complex pipelines that combine multiple ASR outputs through…

音频与语音处理 · 电气工程与系统科学 2025-10-06 Jeena Prakash , Blessingh Kumar , Kadri Hacioglu , Bidisha Sharma , Sindhuja Gopalan , Malolan Chetlur , Shankar Venkatesan , Andreas Stolcke

The practice of fine-tuning Pre-trained Language Models (PLMs) from general or domain-specific data to a specific task with limited resources, has gained popularity within the field of natural language processing (NLP). In this work, we…

计算与语言 · 计算机科学 2023-10-31 Samuel Belkadi , Lifeng Han , Yuping Wu , Goran Nenadic

Large language models have demonstrated remarkable capabilities in complex mathematical reasoning tasks, but they inevitably generate errors throughout multi-step solutions. Process-level Reward Models (PRMs) have shown great promise by…

人工智能 · 计算机科学 2025-08-05 Jiuzhou Han , Wray Buntine , Ehsan Shareghi

Currently, process reward models (PRMs) have exhibited remarkable potential for test-time scaling. Since large language models (LLMs) regularly generate flawed intermediate reasoning steps when tackling a broad spectrum of reasoning and…

人工智能 · 计算机科学 2026-05-08 Zhouhao Sun , Xuan Zhang , Xiao Ding , Bibo Cai , Li Du , Kai Xiong , Xinran Dai , Fei Zhang , weidi tang , Zhiyuan Kan , Yang Zhao , Bing Qin , Ting Liu

Recent advances in large language models (LLMs) have significantly improved performance on the Text-to-SQL task by leveraging their powerful reasoning capabilities. To enhance accuracy during the reasoning process, external Process Reward…

计算与语言 · 计算机科学 2025-05-20 Yuxin Zhang , Meihao Fan , Ju Fan , Mingyang Yi , Yuyu Luo , Jian Tan , Guoliang Li

Pre-trained language models derive substantial linguistic and factual knowledge from the massive corpora on which they are trained, and prompt engineering seeks to align these models to specific tasks. Unfortunately, existing prompt…

User profiling, as a core technique for user understanding, aims to infer structural attributes from user information. Large Language Models (LLMs) provide a promising avenue for user profiling, yet the progress is hindered by the lack of…

人工智能 · 计算机科学 2025-09-24 Yingxin Li , Jianbo Zhao , Xueyu Ren , Jie Tang , Wangjie You , Xu Chen , Kan Zhou , Chao Feng , Jiao Ran , Yuan Meng , Zhi Wang

Multimodal large language models (MLLMs) have shown remarkable capabilities, yet their performance is often capped by the coarse nature of existing alignment techniques. A critical bottleneck remains the lack of effective reward models…

计算与语言 · 计算机科学 2026-02-03 Zicheng Kong , Dehua Ma , Zhenbo Xu , Alven Yang , Yiwei Ru , Haoran Wang , Zixuan Zhou , Fuqing Bie , Liuyu Xiang , Huijia Wu , Jian Zhao , Zhaofeng He