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Related papers: Semi-Supervised Methods for Out-of-Domain Dependen…

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The goal of semi-supervised learning is to utilize the unlabeled, in-domain dataset U to improve models trained on the labeled dataset D. Under the context of large-scale language-model (LM) pretraining, how we can make the best use of U is…

Computation and Language · Computer Science 2020-11-20 Zijun Sun , Chun Fan , Xiaofei Sun , Yuxian Meng , Fei Wu , Jiwei Li

Acquisition of multilingual training data continues to be a challenge in word sense disambiguation (WSD). To address this problem, unsupervised approaches have been proposed to automatically generate sense annotations for training…

Computation and Language · Computer Science 2021-09-21 Bradley Hauer , Grzegorz Kondrak , Yixing Luan , Arnob Mallik , Lili Mou

Pre-trained word embeddings are the primary method for transfer learning in several Natural Language Processing (NLP) tasks. Recent works have focused on using unsupervised techniques such as language modeling to obtain these embeddings. In…

Computation and Language · Computer Science 2019-07-01 Mihir Kale , Aditya Siddhant , Sreyashi Nag , Radhika Parik , Matthias Grabmair , Anthony Tomasic

Semi-supervised learning approaches train on small sets of labeled data along with large sets of unlabeled data. Self-training is a semi-supervised teacher-student approach that often suffers from the problem of "confirmation bias" that…

Machine Learning · Computer Science 2023-01-19 Aswathnarayan Radhakrishnan , Jim Davis , Zachary Rabin , Benjamin Lewis , Matthew Scherreik , Roman Ilin

Unsupervised pre-training has led to much recent progress in natural language understanding. In this paper, we study self-training as another way to leverage unlabeled data through semi-supervised learning. To obtain additional data for a…

Computation and Language · Computer Science 2020-10-06 Jingfei Du , Edouard Grave , Beliz Gunel , Vishrav Chaudhary , Onur Celebi , Michael Auli , Ves Stoyanov , Alexis Conneau

We consider the novel problem of unsupervised domain adaptation of source models, without access to the source data for semantic segmentation. Unsupervised domain adaptation aims to adapt a model learned on the labeled source data, to a new…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Sujoy Paul , Ansh Khurana , Gaurav Aggarwal

Human adaptability relies crucially on learning and merging knowledge from both supervised and unsupervised tasks: the parents point out few important concepts, but then the children fill in the gaps on their own. This is particularly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Silvia Bucci , Antonio D'Innocente , Yujun Liao , Fabio Maria Carlucci , Barbara Caputo , Tatiana Tommasi

We introduce a method for unsupervised parsing that relies on bootstrapping classifiers to identify if a node dominates a specific span in a sentence. There are two types of classifiers, an inside classifier that acts on a span, and an…

Computation and Language · Computer Science 2022-03-22 Nickil Maveli , Shay B. Cohen

We study the problem of generating keyphrases that summarize the key points for a given document. While sequence-to-sequence (seq2seq) models have achieved remarkable performance on this task (Meng et al., 2017), model training often relies…

Computation and Language · Computer Science 2019-09-09 Hai Ye , Lu Wang

Self-training is one of the earliest and simplest semi-supervised methods. The key idea is to augment the original labeled dataset with unlabeled data paired with the model's prediction (i.e. the pseudo-parallel data). While self-training…

Machine Learning · Computer Science 2020-10-20 Junxian He , Jiatao Gu , Jiajun Shen , Marc'Aurelio Ranzato

Domain Adaptation has been widely used to deal with the distribution shift in vision, language, multimedia etc. Most domain adaptation methods learn domain-invariant features with data from both domains available. However, such a strategy…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Ning Ma , Jiajun Bu , Lixian Lu , Jun Wen , Zhen Zhang , Sheng Zhou , Xifeng Yan

Pseudo-labelling is a popular technique in unsuper-vised domain adaptation for semantic segmentation. However, pseudo labels are noisy and inevitably have confirmation bias due to the discrepancy between source and target domains and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Wanyu Xu , Zengmao Wang , Wei Bian

The lack of out-of-domain generalization is a critical weakness of deep networks for semantic segmentation. Previous studies relied on the assumption of a static model, i. e., once the training process is complete, model parameters remain…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Sherwin Bahmani , Oliver Hahn , Eduard Zamfir , Nikita Araslanov , Daniel Cremers , Stefan Roth

Recently advancements in sequence-to-sequence neural network architectures have led to an improved natural language understanding. When building a neural network-based Natural Language Understanding component, one main challenge is to…

Computation and Language · Computer Science 2019-02-18 Stefan Constantin , Jan Niehues , Alex Waibel

Domain dependence and annotation subjectivity pose challenges for supervised keyword extraction. Based on the premises that second-order keyness patterns are existent at the community level and learnable from annotated keyword extraction…

Information Retrieval · Computer Science 2024-09-30 Dongmei Zhou , Xuri Tang

Unsupervised models of dependency parsing typically require large amounts of clean, unlabeled data plus gold-standard part-of-speech tags. Adding indirect supervision (e.g. language universals and rules) can help, but we show that obtaining…

Computation and Language · Computer Science 2016-11-29 Liang Sun , Jason Mielens , Jason Baldridge

Deep learning has produced state-of-the-art results for a variety of tasks. While such approaches for supervised learning have performed well, they assume that training and testing data are drawn from the same distribution, which may not…

Machine Learning · Computer Science 2020-02-10 Garrett Wilson , Diane J. Cook

While supervised learning models have shown remarkable performance in various natural language processing (NLP) tasks, their success heavily relies on the availability of large-scale labeled datasets, which can be costly and time-consuming…

Computation and Language · Computer Science 2024-06-04 Wrick Talukdar , Anjanava Biswas

Recently, Transformer has achieved the state-of-the-art performance on many machine translation tasks. However, without syntax knowledge explicitly considered in the encoder, incorrect context information that violates the syntax structure…

Computation and Language · Computer Science 2019-09-06 Chengyi Wang , Shuangzhi Wu , Shujie Liu

Supervised Dictionary Learning has gained much interest in the recent decade and has shown significant performance improvements in image classification. However, in general, supervised learning needs a large number of labelled samples per…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Khanh-Hung Tran , Fred-Maurice Ngole-Mboula , Jean-Luc Starck , Vincent Prost