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Unsupervised domain adaptation (UDA) aims to learn transferable knowledge from a labeled source domain and adapts a trained model to an unlabeled target domain. To bridge the gap between source and target domains, one prevailing strategy is…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Xu Ma , Junkun Yuan , Yen-wei Chen , Ruofeng Tong , Lanfen Lin

Domain adaptation considers the problem of generalising a model learnt using data from a particular source domain to a different target domain. Often it is difficult to find a suitable single source to adapt from, and one must consider…

Computation and Language · Computer Science 2020-04-20 Xia Cui , Danushka Bollegala

This paper introduces a visual sentiment concept classification method based on deep convolutional neural networks (CNNs). The visual sentiment concepts are adjective noun pairs (ANPs) automatically discovered from the tags of web photos,…

Computer Vision and Pattern Recognition · Computer Science 2014-11-03 Tao Chen , Damian Borth , Trevor Darrell , Shih-Fu Chang

In many real-world applications, we want to exploit multiple source datasets of similar tasks to learn a model for a different but related target dataset -- e.g., recognizing characters of a new font using a set of different fonts. While…

Machine Learning · Computer Science 2019-09-26 Junfeng Wen , Russell Greiner , Dale Schuurmans

In the presence of large sets of labeled data, Deep Learning (DL) has accomplished extraordinary triumphs in the avenue of computer vision, particularly in object classification and recognition tasks. However, DL cannot always perform well…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Mohammad Mahfujur Rahman , Clinton Fookes , Mahsa Baktashmotlagh , Sridha Sridharan

Domain Adaptation (DA) aims to leverage the knowledge learned from a source domain with ample labeled data to a target domain with unlabeled data only. Most existing studies on DA contribute to learning domain-invariant feature…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Xiyu Wang , Pengxin Guo , Yu Zhang

In this paper, we make two contributions to unsupervised domain adaptation (UDA) using the convolutional neural network (CNN). First, our approach transfers knowledge in all the convolutional layers through attention alignment. Most…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Guoliang Kang , Liang Zheng , Yan Yan , Yi Yang

The task of learning a sentiment classification model that adapts well to any target domain, different from the source domain, is a challenging problem. Majority of the existing approaches focus on learning a common representation by…

Machine Learning · Computer Science 2019-12-05 Pratik Kayal , Mayank Singh , Pawan Goyal

Meaning of a word varies from one domain to another. Despite this important domain dependence in word semantics, existing word representation learning methods are bound to a single domain. Given a pair of \emph{source}-\emph{target}…

Computation and Language · Computer Science 2015-05-28 Danushka Bollegala , Takanori Maehara , Ken-ichi Kawarabayashi

We consider the problem of unsupervised domain adaptation in semantic segmentation. The key in this campaign consists in reducing the domain shift, i.e., enforcing the data distributions of the two domains to be similar. A popular strategy…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yawei Luo , Liang Zheng , Tao Guan , Junqing Yu , Yi Yang

Aspect-based sentiment analysis (ABSA) in natural language processing enables organizations to understand customer opinions on specific product aspects. While deep learning models are widely used for English ABSA, their application in…

Computation and Language · Computer Science 2025-09-23 Salha Alyami , Amani Jamal , Areej Alhothali

Aspect level sentiment classification is a fine-grained sentiment analysis task. To detect the sentiment towards a particular aspect in a sentence, previous studies have developed various attention-based methods for generating…

Computation and Language · Computer Science 2019-08-22 Mengting Hu , Shiwan Zhao , Li Zhang , Keke Cai , Zhong Su , Renhong Cheng , Xiaowei Shen

Aspect term extraction is a fundamental task in fine-grained sentiment analysis, which aims at detecting customer's opinion targets from reviews on product or service. The traditional supervised models can achieve promising results with…

Computation and Language · Computer Science 2023-03-03 Jingli Shi , Weihua Li , Quan Bai , Yi Yang , Jianhua Jiang

The emerging technique of deep learning has been widely applied in many different areas. However, when adopted in a certain specific domain, this technique should be combined with domain knowledge to improve efficiency and accuracy. In…

Computation and Language · Computer Science 2019-02-19 Khuong Vo , Dang Pham , Mao Nguyen , Trung Mai , Tho Quan

In this paper, we consider the problem of unsupervised domain adaptation in the semantic segmentation. There are two primary issues in this field, i.e., what and how to transfer domain knowledge across two domains. Existing methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Jinyu Yang , Weizhi An , Chaochao Yan , Peilin Zhao , Junzhou Huang

Targeted sentiment classification aims at determining the sentimental tendency towards specific targets. Most of the previous approaches model context and target words with RNN and attention. However, RNNs are difficult to parallelize and…

Computation and Language · Computer Science 2019-09-24 Youwei Song , Jiahai Wang , Tao Jiang , Zhiyue Liu , Yanghui Rao

Cross-domain sentiment classification (CDSC) aims to use the transferable semantics learned from the source domain to predict the sentiment of reviews in the unlabeled target domain. Existing studies in this task attach more attention to…

Computation and Language · Computer Science 2022-05-19 Kai Zhang , Qi Liu , Zhenya Huang , Mingyue Cheng , Kun Zhang , Mengdi Zhang , Wei Wu , Enhong Chen

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

Domain adaptation manages to transfer the knowledge of well-labeled source data to unlabeled target data. Many recent efforts focus on improving the prediction accuracy of target pseudo-labels to reduce conditional distribution shift. In…

Machine Learning · Computer Science 2023-02-20 Lei Tian , Yongqiang Tang , Liangchen Hu , Wensheng Zhang

Aspect-level sentiment classification aims at identifying the sentiment polarity of specific target in its context. Previous approaches have realized the importance of targets in sentiment classification and developed various methods with…

Artificial Intelligence · Computer Science 2017-09-05 Dehong Ma , Sujian Li , Xiaodong Zhang , Houfeng Wang