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The standard closed-set domain adaptation approaches seek to mitigate distribution discrepancies between two domains under the constraint of both sharing identical label sets. However, in realistic scenarios, finding an optimal source…

Machine Learning · Computer Science 2022-12-06 Sandipan Choudhuri , Suli Adeniye , Arunabha Sen , Hemanth Venkateswara

Distant supervision has been widely used for relation extraction but suffers from noise labeling problem. Neural network models are proposed to denoise with attention mechanism but cannot eliminate noisy data due to its non-zero weights.…

Computation and Language · Computer Science 2020-10-01 Guoqing Luo , Jiaxin Pan , Min Peng

This work presents a novel domain adaption paradigm for studying contrastive self-supervised representation learning and knowledge transfer using remote sensing satellite data. Major state-of-the-art remote sensing visual domain efforts…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Muskaan Chopra , Prakash Chandra Chhipa , Gopal Mengi , Varun Gupta , Marcus Liwicki

Adversarial training (AT) is a regularization method that can be used to improve the robustness of neural network methods by adding small perturbations in the training data. We show how to use AT for the tasks of entity recognition and…

Computation and Language · Computer Science 2019-01-15 Giannis Bekoulis , Johannes Deleu , Thomas Demeester , Chris Develder

Domain Adaptation arises when we aim at learning from source domain a model that can per- form acceptably well on a different target domain. It is especially crucial for Natural Language Generation (NLG) in Spoken Dialogue Systems when…

Computation and Language · Computer Science 2018-08-09 Van-Khanh Tran , Le-Minh Nguyen

In this work we address the problem of transferring knowledge obtained from a vast annotated source domain to a low labeled target domain. We propose Adversarial Variational Domain Adaptation (AVDA), a semi-supervised domain adaptation…

Machine Learning · Computer Science 2021-01-26 Manuel Pérez-Carrasco , Guillermo Cabrera-Vives , Pavlos Protopapas , Nicolás Astorga , Marouan Belhaj

Key challenges in developing generalized automatic emotion recognition systems include scarcity of labeled data and lack of gold-standard references. Even for the cues that are labeled as the same emotion category, the variability of…

Sound · Computer Science 2021-06-08 Haoqi Li , Yelin Kim , Cheng-Hao Kuo , Shrikanth Narayanan

Domain adaptation is critical for learning in new and unseen environments. With domain adversarial training, deep networks can learn disentangled and transferable features that effectively diminish the dataset shift between the source and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Zhangjie Cao , Kaichao You , Mingsheng Long , Jianmin Wang , Qiang Yang

This work provides a framework for addressing the problem of supervised domain adaptation with deep models. The main idea is to exploit adversarial learning to learn an embedded subspace that simultaneously maximizes the confusion between…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Saeid Motiian , Quinn Jones , Seyed Mehdi Iranmanesh , Gianfranco Doretto

Transferring the knowledge of pretrained networks to new domains by means of finetuning is a widely used practice for applications based on discriminative models. To the best of our knowledge this practice has not been studied within the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Yaxing Wang , Chenshen Wu , Luis Herranz , Joost van de Weijer , Abel Gonzalez-Garcia , Bogdan Raducanu

A principal barrier to training temporal relation extraction models in new domains is the lack of varied, high quality examples and the challenge of collecting more. We present a method of automatically collecting distantly-supervised…

Computation and Language · Computer Science 2021-09-16 Xinyu Zhao , Shih-ting Lin , Greg Durrett

The recent success of deep neural networks relies on massive amounts of labeled data. For a target task where labeled data is unavailable, domain adaptation can transfer a learner from a different source domain. In this paper, we propose a…

Machine Learning · Computer Science 2017-02-17 Mingsheng Long , Han Zhu , Jianmin Wang , Michael I. Jordan

Recently, remarkable progress has been made in learning transferable representation across domains. Previous works in domain adaptation are majorly based on two techniques: domain-adversarial learning and self-training. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Minghao Chen , Shuai Zhao , Haifeng Liu , Deng Cai

Contrastive pre-training on distant supervision has shown remarkable effectiveness in improving supervised relation extraction tasks. However, the existing methods ignore the intrinsic noise of distant supervision during the pre-training…

Computation and Language · Computer Science 2023-02-13 Zhen Wan , Fei Cheng , Qianying Liu , Zhuoyuan Mao , Haiyue Song , Sadao Kurohashi

Relation extraction is the task of determining the relation between two entities in a sentence. Distantly-supervised models are popular for this task. However, sentences can be long and two entities can be located far from each other in a…

Computation and Language · Computer Science 2019-12-10 Tapas Nayak , Hwee Tou Ng

Discrepancy between training and testing domains is a fundamental problem in the generalization of machine learning techniques. Recently, several approaches have been proposed to learn domain invariant feature representations through…

Machine Learning · Statistics 2019-03-18 Yitong Li , Michael Murias , Samantha Major , Geraldine Dawson , David E. Carlson

Partial domain adaptation aims to transfer knowledge from a label-rich source domain to a label-scarce target domain which relaxes the fully shared label space assumption across different domains. In this more general and practical…

Machine Learning · Computer Science 2019-05-13 Jin Chen , Xinxiao Wu , Lixin Duan , Shenghua Gao

Distantly-supervised relation extraction (RE) is an effective method to scale RE to large corpora but suffers from noisy labels. Existing approaches try to alleviate noise through multi-instance learning and by providing additional…

Computation and Language · Computer Science 2021-02-03 Despina Christou , Grigorios Tsoumakas

Person re-identification (Re-ID) across multiple datasets is a challenging task due to two main reasons: the presence of large cross-dataset distinctions and the absence of annotated target instances. To address these two issues, this paper…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yangru Huang , Peixi Peng , Yi Jin , Yidong Li , Junliang Xing , Shiming Ge

Distant supervision is a widely applied approach to automatic training of relation extraction systems and has the advantage that it can generate large amounts of labelled data with minimal effort. However, this data may contain errors and…

Computation and Language · Computer Science 2015-09-15 Roland Roller , Eneko Agirre , Aitor Soroa , Mark Stevenson