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Aspect-based Sentiment Analysis (ABSA) is a fine-grained opinion mining approach that identifies and classifies opinions associated with specific entities (aspects) or their categories within a sentence. Despite its rapid growth and broad…

计算与语言 · 计算机科学 2025-11-06 Yan Cathy Hua , Paul Denny , Jörg Wicker , Katerina Taškova

Aspect-based sentiment analysis (ABSA) identifies sentiment information related to specific aspects and provides deeper market insights to businesses and organizations. With the emergence of large language models (LMs), recent studies have…

计算与语言 · 计算机科学 2024-05-30 Guangmin Zheng , Jin Wang , Liang-Chih Yu , Xuejie Zhang

Fine-grained sentiment analysis is receiving increasing attention in recent years. Extracting opinion target expressions (OTE) in reviews is often an important step in fine-grained, aspect-based sentiment analysis. Retrieving this…

计算与语言 · 计算机科学 2017-09-20 Soufian Jebbara , Philipp Cimiano

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

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) assesses sentiments towards specific aspects within texts, resulting in detailed sentiment tuples. Previous ABSA models often use static templates to predict all of the elements in the tuples, and…

计算与语言 · 计算机科学 2025-08-05 Yonghyun Jun , Hwanhee Lee

Aspect-based opinion mining is widely applied to review data to aggregate or summarize opinions of a product, and the current state-of-the-art is achieved with Latent Dirichlet Allocation (LDA)-based model. Although social media data like…

计算与语言 · 计算机科学 2016-09-22 Kar Wai Lim , Wray Buntine

The increasing volume of online reviews has made possible the development of sentiment analysis models for determining the opinion of customers regarding different products and services. Until now, sentiment analysis has proven to be an…

计算与语言 · 计算机科学 2023-08-01 Elena-Simona Apostol , Alin-Georgian Pisică , Ciprian-Octavian Truică

Aspect-based sentiment analysis (ABSA) is an emerging fine-grained sentiment analysis task that aims to extract aspects, classify corresponding sentiment polarities and find opinions as the causes of sentiment. The latest research tends to…

计算与语言 · 计算机科学 2021-09-20 Chengxi Li , Feiyu Gao , Jiajun Bu , Lu Xu , Xiang Chen , Yu Gu , Zirui Shao , Qi Zheng , Ningyu Zhang , Yongpan Wang , Zhi Yu

Aspect-based Sentiment Analysis (ABSA) helps to explain customers' opinions towards products and services. In the past, ABSA models were discriminative, but more recently generative models have been used to generate aspects and polarities…

计算与语言 · 计算机科学 2023-07-13 Dhruv Mullick , Alona Fyshe , Bilal Ghanem

Aspect-based sentiment analysis (ABSA) is an NLP task that entails processing user-generated reviews to determine (i) the target being evaluated, (ii) the aspect category to which it belongs, and (iii) the sentiment expressed towards the…

计算与语言 · 计算机科学 2022-04-12 Siva Uday Sampreeth Chebolu , Franck Dernoncourt , Nedim Lipka , Thamar Solorio

Extracting sentiment elements using pre-trained generative models has recently led to large improvements in aspect-based sentiment analysis benchmarks. However, these models always need large-scale computing resources, and they also ignore…

计算与语言 · 计算机科学 2023-06-16 Xiaoyi Bao , Xiaotong Jiang , Zhongqing Wang , Yue Zhang , Guodong Zhou

Aspect based sentiment analysis, predicting sentiment polarity of given aspects, has drawn extensive attention. Previous attention-based models emphasize using aspect semantics to help extract opinion features for classification. However,…

计算与语言 · 计算机科学 2021-04-13 Lu Xu , Lidong Bing , Wei Lu , Fei Huang

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 sentiment triplet extraction (ASTE) aims to extract triplets composed of aspect terms, opinion terms, and sentiment polarities from given sentences. The table tagging method is a popular approach to addressing this task, which…

计算与语言 · 计算机科学 2025-05-09 Kun Peng , Chaodong Tong , Cong Cao , Hao Peng , Qian Li , Guanlin Wu , Lei Jiang , Yanbing Liu , Philip S. Yu

Acoustics-to-word models are end-to-end speech recognizers that use words as targets without relying on pronunciation dictionaries or graphemes. These models are notoriously difficult to train due to the lack of linguistic knowledge. It is…

音频与语音处理 · 电气工程与系统科学 2018-11-14 Hao Tang , James Glass

Aspect-based sentiment analysis (ASBA) is a refined approach to sentiment analysis that aims to extract and classify sentiments based on specific aspects or features of a product, service, or entity. Unlike traditional sentiment analysis,…

计算与语言 · 计算机科学 2025-01-16 Karukriti Kaushik Ghosh , Chiranjib Sur

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…

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

Aspect-Based Sentiment Analysis (ABSA) stands as a crucial task in predicting the sentiment polarity associated with identified aspects within text. However, a notable challenge in ABSA lies in precisely determining the aspects' boundaries…

计算与语言 · 计算机科学 2024-02-26 Shunyu Liu , Jie Zhou , Qunxi Zhu , Qin Chen , Qingchun Bai , Jun Xiao , Liang He