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Aspect level sentiment classification (ALSC) is a difficult problem with state-of-the-art models showing less than 80% macro-F1 score on benchmark datasets. Existing models do not incorporate information on aspect-aspect relations in…

计算与语言 · 计算机科学 2022-02-15 Sk Mainul Islam , Sourangshu Bhattacharya

Aspect Term Extraction (ATE) detects opinionated aspect terms in sentences or text spans, with the end goal of performing aspect-based sentiment analysis. The small amount of available datasets for supervised ATE and the fact that they…

计算与语言 · 计算机科学 2017-09-28 Athanasios Giannakopoulos , Diego Antognini , Claudiu Musat , Andreea Hossmann , Michael Baeriswyl

Aspect-Sentiment Triplet Extraction (ASTE) is one of the most challenging and complex tasks in sentiment analysis. It concerns the construction of triplets that contain an aspect, its associated sentiment polarity, and an opinion phrase…

计算与语言 · 计算机科学 2025-02-28 Marta Lango , Borys Naglik , Mateusz Lango , Iwo Naglik

Aspect-Based Sentiment Analysis (ABSA) deals with the extraction of sentiments and their targets. Collecting labeled data for this task in order to help neural networks generalize better can be laborious and time-consuming. As an…

机器学习 · 计算机科学 2020-10-26 Akbar Karimi , Leonardo Rossi , Andrea Prati

We present the SemEval-2026 shared task on Dimensional Aspect-Based Sentiment Analysis (DimABSA), which improves traditional ABSA by modeling sentiment along valence-arousal (VA) dimensions rather than using categorical polarity labels. To…

Aspect-based sentiment analysis (ABSA) aims at automatically inferring the specific sentiment polarities toward certain aspects of products or services behind the social media texts or reviews, which has been a fundamental application to…

计算与语言 · 计算机科学 2023-05-22 Hao Fei , Tat-Seng Chua , Chenliang Li , Donghong Ji , Meishan Zhang , Yafeng Ren

Aspect Based Sentiment Analysis (ABSA) tasks involve the extraction of fine-grained sentiment tuples from sentences, aiming to discern the author's opinions. Conventional methodologies predominantly rely on supervised approaches; however,…

计算与语言 · 计算机科学 2024-04-23 Kevin Scaria , Abyn Scaria , Ben Scaria

This paper presents a series of approaches aimed at enhancing the performance of Aspect-Based Sentiment Analysis (ABSA) by utilizing extracted semantic information from a Semantic Role Labeling (SRL) model. We propose a novel end-to-end…

计算与语言 · 计算机科学 2023-07-28 Pavel Přibáň , Ondřej Pražák

Aspect-based sentiment analysis (ABSA) aims at extracting opinionated aspect terms in review texts and determining their sentiment polarities, which is widely studied in both academia and industry. As a fine-grained classification task, the…

人工智能 · 计算机科学 2023-08-17 Anguo Dong , Cuiyun Gao , Yan Jia , Qing Liao , Xuan Wang , Lei Wang , Jing Xiao

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task that focuses on understanding opinions at the aspect level, including sentiment towards specific aspect terms, categories, and opinions. While ABSA research…

计算与语言 · 计算机科学 2025-08-14 Jakub Šmíd , Pavel Král

Sentiment analysis (SA) has become an extensive research area in recent years impacting diverse fields including ecommerce, consumer business, and politics, driven by increasing adoption and usage of social media platforms. It is…

计算与语言 · 计算机科学 2021-06-03 Sarojadevi Palani , Prabhu Rajagopal , Sidharth Pancholi

Aspect-level sentiment classification (ASC) aims to detect the sentiment polarity of a given opinion target in a sentence. In neural network-based methods for ASC, most works employ the attention mechanism to capture the corresponding…

计算与语言 · 计算机科学 2020-10-26 Fei Zhao , Zhen Wu , Xinyu Dai

Sentiment analysis is a crucial task in natural language processing (NLP) that enables the extraction of meaningful insights from textual data, particularly from dynamic platforms like Twitter and IMDB. This study explores a hybrid…

计算与语言 · 计算机科学 2026-03-02 Aish Albladi , Md Kaosar Uddin , Minarul Islam , Cheryl Seals

Gradient-based explanation methods play an important role in the field of interpreting complex deep neural networks for NLP models. However, the existing work has shown that the gradients of a model are unstable and easily manipulable,…

计算与语言 · 计算机科学 2023-02-22 Zhenxiao Cheng , Jie Zhou , Wen Wu , Qin Chen , Liang He

In the domain of Aspect-Based Sentiment Analysis (ABSA), generative methods have shown promising results and achieved substantial advancements. However, despite these advancements, the tasks of extracting sentiment quadruplets, which…

计算与语言 · 计算机科学 2024-10-04 Yongsik Seo , Sungwon Song , Ryang Heo , Jieyong Kim , Dongha Lee

(T)ACSA tasks, including aspect-category sentiment analysis (ACSA) and targeted aspect-category sentiment analysis (TACSA), aims at identifying sentiment polarity on predefined categories. Incremental learning on new categories is necessary…

计算与语言 · 计算机科学 2020-10-07 Zehui Dai , Cheng Peng , Huajie Chen , Yadong Ding

Aspect Based Sentiment Analysis (ABSA) is the sub-field of Natural Language Processing that deals with essentially splitting our data into aspects ad finally extracting the sentiment information. ABSA is known to provide more information…

计算与语言 · 计算机科学 2020-06-09 Kaustubh Yadav

Aspect-based sentiment analysis (ABSA) is a challenging task of extracting sentiments along with their corresponding aspects and opinion terms from the text. The inherent subjectivity of span annotation makes variability in the surface…

计算与语言 · 计算机科学 2025-02-13 Soyoung Yang , Hojun Cho , Jiyoung Lee , Sohee Yoon , Edward Choi , Jaegul Choo , Won Ik Cho

For many business applications, we often seek to analyze sentiments associated with any arbitrary aspects of commercial products, despite having a very limited amount of labels or even without any labels at all. However, existing aspect…

计算与语言 · 计算机科学 2021-09-09 Ronald Seoh , Ian Birle , Mrinal Tak , Haw-Shiuan Chang , Brian Pinette , Alfred Hough

Multimodal aspect-based sentiment analysis (MABSA) aims to extract aspects from text-image pairs and recognize their sentiments. Existing methods make great efforts to align the whole image to corresponding aspects. However, different…

计算与语言 · 计算机科学 2023-06-05 Ru Zhou , Wenya Guo , Xumeng Liu , Shenglong Yu , Ying Zhang , Xiaojie Yuan