English
Related papers

Related papers: Contrastive Weak-to-strong Generalization

200 papers

Advances in large language models raise the question of how alignment techniques will adapt as models become increasingly complex and humans will only be able to supervise them weakly. Weak-to-Strong mimics such a scenario where weak model…

Computation and Language · Computer Science 2025-03-13 Ziyun Cui , Ziyang Zhang , Guangzhi Sun , Wen Wu , Chao Zhang

Long-form speech recognition with large encoder-decoder models such as Whisper often exhibit hallucinations, repetition loops, and content omissions. These errors can accumulate and be further amplified when the previous segment's…

Sound · Computer Science 2026-03-09 Hoseong Ahn , Jeongyun Chae , Yoonji Park , Kyuhong Shim

Large language models (LLMs) excel at complex tasks with advances in reasoning capabilities. However, existing reward mechanisms remain tightly coupled to final correctness and pay little attention to the underlying reasoning process:…

Machine Learning · Computer Science 2026-05-14 Jingyao Wang , Peizheng Guo , Wenwen Qiang , Jiahuan Zhou , Huijie Guo , Changwen Zheng , Hui Xiong

With Large Language Models (LLMs) rapidly approaching and potentially surpassing human-level performance, it has become imperative to develop approaches capable of effectively supervising and enhancing these powerful models using smaller,…

Machine Learning · Computer Science 2025-06-06 Aakriti Agrawal , Mucong Ding , Zora Che , Chenghao Deng , Anirudh Satheesh , Bang An , Bayan Bruss , John Langford , Furong Huang

Contrastive Decoding (CD) enhances the generation quality of large language models (LLMs) but incurs significant additional computational overhead due to the need for an auxiliary model. Existing internal self-contrastive decoding methods,…

Computation and Language · Computer Science 2026-01-30 Hong-Kai Zheng , Piji Li

We propose a framework using contrastive learning as a pre-training task to perform image classification in the presence of noisy labels. Recent strategies such as pseudo-labeling, sample selection with Gaussian Mixture models, weighted…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Madalina Ciortan , Romain Dupuis , Thomas Peel

In scientific reasoning tasks, the veracity of the reasoning process is as critical as the final outcome. While Process Reward Models (PRMs) offer a solution to the coarse-grained supervision problems inherent in Outcome Reward Models…

Computation and Language · Computer Science 2026-03-10 Chi-Min Chan , Ehsan Hajiramezanali , Xiner Li , Edward De Brouwer , Carl Edwards , Wei Xue , Sirui Han , Yike Guo , Gabriele Scalia

Ensuring that large language models (LMs) are fair, robust and useful requires an understanding of how different modifications to their inputs impact the model's behaviour. In the context of open-text generation tasks, however, such an…

Computation and Language · Computer Science 2023-05-15 Gal Yona , Or Honovich , Itay Laish , Roee Aharoni

With Large Language Models (LLMs) rapidly approaching and potentially surpassing human-level performance, it has become imperative to develop approaches capable of effectively supervising and enhancing these powerful models using smaller,…

Machine Learning · Computer Science 2025-07-24 Aakriti Agrawal , Mucong Ding , Zora Che , Chenghao Deng , Anirudh Satheesh , Bang An , Bayan Bruss , John Langford , Furong Huang

Large audio-language models (LALMs) generalize across speech, sound, and music, but unified decoders can exhibit a \emph{temporal smoothing bias}: transient acoustic cues may be underutilized in favor of temporally smooth context that is…

Sound · Computer Science 2026-04-20 Yanda Li , Yuhan Liu , Zirui Song , Yunchao Wei , Martin Takáč , Salem Lahlou

Decoding from the output distributions of large language models to produce high-quality text is a complex challenge in language modeling. Various approaches, such as beam search, sampling with temperature, $k-$sampling, nucleus…

Computation and Language · Computer Science 2024-10-22 Esteban Garces Arias , Julian Rodemann , Meimingwei Li , Christian Heumann , Matthias Aßenmacher

The growing capabilities of large language models (LLMs) present a key challenge of maintaining effective human oversight. Weak-to-strong generalization (W2SG) offers a promising framework for supervising increasingly capable LLMs using…

Computation and Language · Computer Science 2025-04-15 Shujin Wu , Cheng Qian , Yi R. Fung , Paul Pu Liang , Heng Ji

Large Language Models (LLMs) require alignment with human preferences to avoid generating offensive, false, or meaningless content. Recently, low-resource methods for LLM alignment have been popular, while still facing challenges in…

Computation and Language · Computer Science 2025-06-10 Feifan Song , Shaohang Wei , Wen Luo , Yuxuan Fan , Tianyu Liu , Guoyin Wang , Houfeng Wang

Large language models (LLMs) achieve strong performance on plain text tasks but underperform on structured data like tables and databases. Potential challenges arise from their underexposure during pre-training and rigid text-to-structure…

Computation and Language · Computer Science 2025-07-28 Jiawei Gu , Ziting Xian , Yuanzhen Xie , Ye Liu , Enjie Liu , Ruichao Zhong , Mochi Gao , Yunzhi Tan , Bo Hu , Zang Li

Future beyond-5G and 6G systems demand ultra-reliable, low-latency communication with short blocklengths, motivating the development of universal decoding algorithms. Guessing decoding, which infers the noise or codeword candidate in order…

Information Theory · Computer Science 2025-11-24 Qianfan Wang , Jifan Liang , Peihong Yuan , Ken R. Duffy , Muriel Médard , Xiao Ma

Large Language Models (LLMs) have demonstrated impressive performance on multiple-choice question answering (MCQA) benchmarks, yet they remain highly vulnerable to minor input perturbations. In this paper, we introduce and evaluate Token…

Computation and Language · Computer Science 2025-06-12 Jui-Ming Yao , Hao-Yuan Chen , Zi-Xian Tang , Bing-Jia Tan , Sheng-Wei Peng , Bing-Cheng Xie , Shun-Feng Su

The paradigm of weak-to-strong generalization constitutes the training of a strong AI model on data labeled by a weak AI model, with the goal that the strong model nevertheless outperforms its weak supervisor on the target task of interest.…

Machine Learning · Computer Science 2025-02-05 Abhijeet Mulgund , Chirag Pabbaraju

While large vision-language models (LVLMs) have shown impressive capabilities in generating plausible responses correlated with input visual contents, they still suffer from hallucinations, where the generated text inaccurately reflects…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Yi-Lun Lee , Yi-Hsuan Tsai , Wei-Chen Chiu

Recent advances in large language models have shown capabilities that are extraordinary and near-superhuman. These models operate with such complexity that reliably evaluating and aligning them proves challenging for humans. This leads to…

Machine Learning · Computer Science 2024-10-24 Moses Charikar , Chirag Pabbaraju , Kirankumar Shiragur

Evaluating the quality of generated text automatically remains a significant challenge. Conventional reference-based metrics have been shown to exhibit relatively weak correlation with human evaluations. Recent research advocates the use of…

Computation and Language · Computer Science 2025-11-25 Xiao Wang , Daniil Larionov , Siwei Wu , Yiqi Liu , Steffen Eger , Nafise Sadat Moosavi , Chenghua Lin