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Efficiently fine-tuning Large Language Models (LLMs) for specific tasks presents a considerable challenge in natural language processing. Traditional methods, like prompt or prefix tuning, typically rely on arbitrary tokens for training,…

计算与语言 · 计算机科学 2024-04-16 Md. Kowsher , Md. Shohanur Islam Sobuj , Asif Mahmud , Nusrat Jahan Prottasha , Prakash Bhat

End-to-end models that condition the output label sequence on all previously predicted labels have emerged as popular alternatives to conventional systems for automatic speech recognition (ASR). Since unique label histories correspond to…

计算与语言 · 计算机科学 2020-12-15 Rohit Prabhavalkar , Yanzhang He , David Rybach , Sean Campbell , Arun Narayanan , Trevor Strohman , Tara N. Sainath

Recent research has revealed that deep neural networks often take dataset biases as a shortcut to make decisions rather than understand tasks, leading to failures in real-world applications. In this study, we focus on the spurious…

计算与语言 · 计算机科学 2023-06-23 Yanrui Du , Jing Yan , Yan Chen , Jing Liu , Sendong Zhao , Qiaoqiao She , Hua Wu , Haifeng Wang , Bing Qin

This paper investigates the subtle and often concealed biases present in Large Language Models (LLMs), focusing on implicit biases that may remain despite passing explicit bias tests. Implicit biases are significant because they influence…

计算与语言 · 计算机科学 2024-10-01 Serene Lim , María Pérez-Ortiz

Neural networks trained on real-world datasets with long-tailed label distributions are biased towards frequent classes and perform poorly on infrequent classes. The imbalance in the ratio of positive and negative samples for each class…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Kevin Duarte , Yogesh S. Rawat , Mubarak Shah

Is bias amplified when neural machine translation (NMT) models are optimized for speed and evaluated on generic test sets using BLEU? We investigate architectures and techniques commonly used to speed up decoding in Transformer-based…

计算与语言 · 计算机科学 2021-06-02 Adithya Renduchintala , Denise Diaz , Kenneth Heafield , Xian Li , Mona Diab

Leveraging weak or noisy supervision for building effective machine learning models has long been an important research problem. Its importance has further increased recently due to the growing need for large-scale datasets to train deep…

机器学习 · 计算机科学 2021-08-09 Guoqing Zheng , Ahmed Hassan Awadallah , Susan Dumais

In this paper, we identify an interesting kind of error in the output of Unsupervised Neural Machine Translation (UNMT) systems like \textit{Undreamt}(footnote). We refer to this error type as \textit{Scrambled Translation problem}. We…

计算与语言 · 计算机科学 2021-06-18 Tamali Banerjee , Rudra Murthy , Pushpak Bhattacharyya

This paper concerns the use of objectness measures to improve the calibration performance of Convolutional Neural Networks (CNNs). CNNs have proven to be very good classifiers and generally localize objects well; however, the loss functions…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Ujwal Krothapalli , A. Lynn Abbott

IBM models are very important word alignment models in Machine Translation. Following the Maximum Likelihood Estimation principle to estimate their parameters, the models will easily overfit the training data when the data are sparse. While…

计算与语言 · 计算机科学 2016-04-28 Vuong Van Bui , Cuong Anh Le

Deep neural networks trained with standard cross-entropy loss are more prone to memorize noisy labels, which degrades their performance. Negative learning using complementary labels is more robust when noisy labels intervene but with an…

机器学习 · 计算机科学 2022-09-07 Chen-Chen Zong , Zheng-Tao Cao , Hong-Tao Guo , Yun Du , Ming-Kun Xie , Shao-Yuan Li , Sheng-Jun Huang

The use of language models (LMs) has increased considerably in recent years, and the biases and stereotypes in training data that are reflected in the LM outputs are causing social problems. In this paper, inspired by the task arithmetic,…

计算与语言 · 计算机科学 2024-12-17 Daiki Shirafuji , Makoto Takenaka , Shinya Taguchi

Several works have proven that finetuning is an applicable approach for debiasing contextualized word embeddings. Similarly, discrete prompts with semantic meanings have shown to be effective in debiasing tasks. With unfixed mathematical…

计算与语言 · 计算机科学 2025-05-27 Ke Yang , Charles Yu , Yi Fung , Manling Li , Heng Ji

Exposure bias describes the phenomenon that a language model trained under the teacher forcing schema may perform poorly at the inference stage when its predictions are conditioned on its previous predictions unseen from the training…

计算与语言 · 计算机科学 2020-04-02 Yifan Xu , Kening Zhang , Haoyu Dong , Yuezhou Sun , Wenlong Zhao , Zhuowen Tu

Supervised training of deep learning models requires large labeled datasets. There is a growing interest in obtaining such datasets for medical image analysis applications. However, the impact of label noise has not received sufficient…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Davood Karimi , Haoran Dou , Simon K. Warfield , Ali Gholipour

Class imbalance, which is also called long-tailed distribution, is a common problem in classification tasks based on machine learning. If it happens, the minority data will be overwhelmed by the majority, which presents quite a challenge…

机器学习 · 计算机科学 2023-03-29 Jia-Chen Zhao

In overparametrized models, the noise in stochastic gradient descent (SGD) implicitly regularizes the optimization trajectory and determines which local minimum SGD converges to. Motivated by empirical studies that demonstrate that training…

机器学习 · 计算机科学 2021-12-07 Alex Damian , Tengyu Ma , Jason D. Lee

Fine-tuned language models have been shown to exhibit biases against protected groups in a host of modeling tasks such as text classification and coreference resolution. Previous works focus on detecting these biases, reducing bias in data…

计算与语言 · 计算机科学 2021-04-13 Xisen Jin , Francesco Barbieri , Brendan Kennedy , Aida Mostafazadeh Davani , Leonardo Neves , Xiang Ren

Previous studies show that intermediate supervision signals benefit various Natural Language Processing tasks. However, it is not clear whether there exist intermediate signals that benefit Neural Machine Translation (NMT). Borrowing…

计算与语言 · 计算机科学 2023-05-17 Chaojun Wang , Yang Liu , Wai Lam

Label noise and ambiguities between similar classes are challenging problems in developing new models and annotating new data for semantic segmentation. In this paper, we propose Compensation Learning in Semantic Segmentation, a framework…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Timo Kaiser , Christoph Reinders , Bodo Rosenhahn
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