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We introduce a new representation learning algorithm suited to the context of domain adaptation, in which data at training and test time come from similar but different distributions. Our algorithm is directly inspired by theory on domain…

Machine Learning · Statistics 2015-02-10 Hana Ajakan , Pascal Germain , Hugo Larochelle , François Laviolette , Mario Marchand

There has been much recent work on image captioning models that describe the factual aspects of an image. Recently, some models have incorporated non-factual aspects into the captions, such as sentiment or style. However, such models…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Omid Mohamad Nezami , Mark Dras , Stephen Wan , Cecile Paris

Aspect-based sentiment analysis (ABSA) is a fine-grained type of sentiment analysis that identifies aspects and their associated opinions from a given text. With the surge of digital opinionated text data, ABSA gained increasing popularity…

Computation and Language · Computer Science 2024-09-19 Yan Cathy Hua , Paul Denny , Katerina Taskova , Jörg Wicker

Aspect-based sentiment analysis (ABSA), a fine-grained sentiment classification task, has received much attention recently. Many works investigate sentiment information through opinion words, such as ''good'' and ''bad''. However, implicit…

Computation and Language · Computer Science 2023-12-19 Jihong Ouyang , Zhiyao Yang , Silong Liang , Bing Wang , Yimeng Wang , Ximing Li

Aspect-based Sentiment Analysis (ABSA) is a critical task in Natural Language Processing (NLP) that focuses on extracting sentiments related to specific aspects within a text, offering deep insights into customer opinions. Traditional…

In this paper, we propose a two-layered multi-task attention based neural network that performs sentiment analysis through emotion analysis. The proposed approach is based on Bidirectional Long Short-Term Memory and uses Distributional…

Computation and Language · Computer Science 2019-12-02 Abhishek Kumar , Asif Ekbal , Daisuke Kawahra , Sadao Kurohashi

Variation in language is ubiquitous, particularly in newer forms of writing such as social media. Fortunately, variation is not random, it is often linked to social properties of the author. In this paper, we show how to exploit social…

Computation and Language · Computer Science 2017-08-29 Yi Yang , Jacob Eisenstein

From customer feedback to social media, understanding human sentiment in text is central to how machines can interact meaningfully with people. However, despite notable progress, accurately capturing sentiment remains a challenging task,…

Information Retrieval · Computer Science 2026-03-24 Soudeep Ghoshal , Himanshu Buckchash , Sarita Paudel , Rubén Ruiz-Torrubiano

Aspect-based Sentiment Analysis (ABSA) aims to identify the aspect terms, their corresponding sentiment polarities, and the opinion terms. There exist seven subtasks in ABSA. Most studies only focus on the subsets of these subtasks, which…

Computation and Language · Computer Science 2021-06-09 Hang Yan , Junqi Dai , Tuo ji , Xipeng Qiu , Zheng Zhang

Aspect-level sentiment classification (ASC) aims at identifying sentiment polarities towards aspects in a sentence, where the aspect can behave as a general Aspect Category (AC) or a specific Aspect Term (AT). However, due to the especially…

Computation and Language · Computer Science 2018-11-28 Zheng Li , Ying Wei , Yu Zhang , Xiang Zhang , Xin Li , Qiang Yang

Aspect-orientation is a relatively new paradigm that introduces abstractions to modularize the implementation of system-wide policies. It is based on a composition operation, called aspect weaving, that implicitly modifies a base system by…

Logic in Computer Science · Computer Science 2010-04-01 Rodrigo Machado , Reiko Heckel , Leila Ribeiro

The success of neural network embeddings has entailed a renewed interest in using knowledge graphs for a wide variety of machine learning and information retrieval tasks. In particular, current recommendation methods based on graph…

Information Retrieval · Computer Science 2022-08-01 Iván Cantador , Andrés Carvallo , Fernando Diez , Denis Parra

Emotion recognition is a classic field of research with a typical setup extracting features and feeding them through a classifier for prediction. On the other hand, generative models jointly capture the distributional relationship between…

Machine Learning · Computer Science 2020-11-16 Saurabh Sahu , Rahul Gupta , Carol Espy-Wilson

Aspect-based sentiment analysis (ABSA) aims to predict the sentiment towards a specific aspect in the text. However, existing ABSA test sets cannot be used to probe whether a model can distinguish the sentiment of the target aspect from the…

Computation and Language · Computer Science 2020-10-29 Xiaoyu Xing , Zhijing Jin , Di Jin , Bingning Wang , Qi Zhang , Xuanjing Huang

The aspect-based sentiment analysis (ABSA) task remains to be a long-standing challenge, which aims to extract the aspect term and then identify its sentiment orientation.In previous approaches, the explicit syntactic structure of a…

Computation and Language · Computer Science 2020-04-07 Yunlong Liang , Fandong Meng , Jinchao Zhang , Jinan Xu , Yufeng Chen , Jie Zhou

Aspect-based Sentiment Analysis (ABSA) is a fine-grained sentiment analysis task which involves four elements from user-generated texts: aspect term, aspect category, opinion term, and sentiment polarity. Most computational approaches focus…

This paper describes our deep learning-based approach to sentiment analysis in Twitter as part of SemEval-2016 Task 4. We use a convolutional neural network to determine sentiment and participate in all subtasks, i.e. two-point,…

Computation and Language · Computer Science 2016-09-12 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

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

For multiple aspects scenario of aspect-based sentiment analysis (ABSA), existing approaches typically ignore inter-aspect relations or rely on temporal dependencies to process aspect-aware representations of all aspects in a sentence.…

Computation and Language · Computer Science 2022-03-15 Yunlong Liang , Fandong Meng , Jinchao Zhang , Yufeng Chen , Jinan Xu , Jie Zhou

Aspect-based Sentiment Analysis (ABSA) aims to determine the sentiment polarity towards an aspect. Because of the expensive and limited labelled data, the pretraining strategy has become the de-facto standard for ABSA. However, there always…

Computation and Language · Computer Science 2023-06-27 Juhua Liu , Qihuang Zhong , Liang Ding , Hua Jin , Bo Du , Dacheng Tao