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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

Opinion mining is the branch of computation that deals with opinions, appraisals, attitudes, and emotions of people and their different aspects. This field has attracted substantial research interest in recent years. Aspect-level (called…

计算与语言 · 计算机科学 2022-12-29 Subhasis Dasgupta , Jaydip Sen

Despite having achieved great success for sentiment analysis, existing neural models struggle with implicit sentiment analysis. This may be due to the fact that they may latch onto spurious correlations ("shortcuts", e.g., focusing only on…

计算与语言 · 计算机科学 2022-08-22 Siyin Wang , Jie Zhou , Changzhi Sun , Junjie Ye , Tao Gui , Qi Zhang , Xuanjing Huang

Recently, some span-based methods have achieved encouraging performances for joint aspect-sentiment analysis, which first extract aspects (aspect extraction) by detecting aspect boundaries and then classify the span-level sentiments…

计算与语言 · 计算机科学 2022-08-25 Wei Chen , Jinglong Du , Zhao Zhang , Fuzhen Zhuang , Zhongshi He

Multimodal aspect-based sentiment classification (MASC) is an emerging task due to an increase in user-generated multimodal content on social platforms, aimed at predicting sentiment polarity toward specific aspect targets (i.e., entities…

计算与语言 · 计算机科学 2025-04-23 Luwei Xiao , Rui Mao , Shuai Zhao , Qika Lin , Yanhao Jia , Liang He , Erik Cambria

Aspect-based sentiment analysis (ABSA) is a fine-grained task of sentiment analysis. To better comprehend long complicated sentences and obtain accurate aspect-specific information, linguistic and commonsense knowledge are generally…

计算与语言 · 计算机科学 2023-03-15 Qihuang Zhong , Liang Ding , Juhua Liu , Bo Du , Hua Jin , Dacheng Tao

Conversational Aspect-Based Sentiment Analysis (DiaASQ) aims to detect quadruples \{target, aspect, opinion, sentiment polarity\} from given dialogues. In DiaASQ, elements constituting these quadruples are not necessarily confined to…

计算与语言 · 计算机科学 2024-03-18 Binbin Li , Yuqing Li , Siyu Jia , Bingnan Ma , Yu Ding , Zisen Qi , Xingbang Tan , Menghan Guo , Shenghui Liu

Aspect sentiment triplet extraction (ASTE), which aims to identify aspects from review sentences along with their corresponding opinion expressions and sentiments, is an emerging task in fine-grained opinion mining. Since ASTE consists of…

计算与语言 · 计算机科学 2021-03-16 Shaowei Chen , Yu Wang , Jie Liu , Yuelin Wang

Aspect Sentiment Triplet Extraction (ASTE) is the most recent subtask of ABSA which outputs triplets of an aspect target, its associated sentiment, and the corresponding opinion term. Recent models perform the triplet extraction in an…

计算与语言 · 计算机科学 2021-07-27 Lu Xu , Yew Ken Chia , Lidong Bing

As a fine-grained task, multimodal aspect-based sentiment analysis (MABSA) mainly focuses on identifying aspect-level sentiment information in the text-image pair. However, we observe that it is difficult to recognize the sentiment of…

计算与语言 · 计算机科学 2024-12-03 Hao Yang , Zhenyu Zhang , Yanyan Zhao , Bing Qin

Text sentiment analysis, also known as opinion mining, is research on the calculation of people's views, evaluations, attitude and emotions expressed by entities. Text sentiment analysis can be divided into text-level sentiment analysis,…

计算与语言 · 计算机科学 2022-07-08 Tianyu Zhao , Junping Du , Zhe Xue , Ang Li , Zeli Guan

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…

人工智能 · 计算机科学 2017-09-05 Dehong Ma , Sujian Li , Xiaodong Zhang , Houfeng Wang

Aspect category sentiment analysis (ACSA) has achieved remarkable progress with large language models (LLMs), yet existing approaches primarily emphasize sentiment polarity while overlooking the underlying emotional dimensions that shape…

计算与语言 · 计算机科学 2025-11-25 Yaping Chai , Haoran Xie , Joe S. Qin

Cross-lingual aspect-based sentiment analysis (ABSA) involves detailed sentiment analysis in a target language by transferring knowledge from a source language with available annotated data. Most existing methods depend heavily on often…

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

Subjectivity detection is the task of identifying objective and subjective sentences. Objective sentences are those which do not exhibit any sentiment. So, it is desired for a sentiment analysis engine to find and separate the objective…

计算与语言 · 计算机科学 2017-10-19 Iti Chaturvedi , Soujanya Poria , Erik Cambria

In this paper, we propose a variational approach to weakly supervised document-level multi-aspect sentiment classification. Instead of using user-generated ratings or annotations provided by domain experts, we use target-opinion word pairs…

计算与语言 · 计算机科学 2019-04-11 Ziqian Zeng , Wenxuan Zhou , Xin Liu , Yangqiu Song

Aspect-Based Sentiment Analysis (ABSA) has emerged as a critical tool for extracting fine-grained sentiment insights from user-generated content, particularly in e-commerce and social media domains. However, research on Bangla ABSA remains…

机器学习 · 计算机科学 2025-11-27 Ariful Islam , Md Rifat Hossen , Abir Ahmed , B M Taslimul Haque

Multimodal fine-grained sentiment analysis has recently attracted increasing attention due to its broad applications. However, the existing multimodal fine-grained sentiment datasets most focus on annotating the fine-grained elements in…

计算与语言 · 计算机科学 2022-06-29 Hao Yang , Yanyan Zhao , Jianwei Liu , Yang Wu , Bing Qin

Aspect-Based Sentiment Analysis (ABSA) has been prominent and ongoing research over many different domains, but it is not widely discussed in the legal domain. A number of publicly available datasets for a wide range of domains usually…

In this work we investigate the capability of Graph Attention Network for extracting aspect and opinion terms. Aspect and opinion term extraction is posed as a token-level classification task akin to named entity recognition. We use the…

计算与语言 · 计算机科学 2024-05-01 Abir Chakraborty
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