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After transformer is proposed, lots of pre-trained language models have been come up with and sentiment analysis (SA) task has been improved. In this paper, we proposed a method that uses an auxiliary sentence about aspects that the…

计算与语言 · 计算机科学 2024-10-16 Teng Wang , Bolun Sun , Yijie Tong

Aspect-based Sentiment Analysis (ABSA) is a sentiment analysis task at fine-grained level. Recently, generative frameworks have attracted increasing attention in ABSA due to their ability to unify subtasks and their continuity to upstream…

计算与语言 · 计算机科学 2023-02-28 Chengze Yu , Taiqiang Wu , Jiayi Li , Xingyu Bai , Yujiu Yang

Aspect-Based Sentiment Analysis (ABSA) studies the consumer opinion on the market products. It involves examining the type of sentiments as well as sentiment targets expressed in product reviews. Analyzing the language used in a review is a…

计算与语言 · 计算机科学 2021-03-02 Akbar Karimi , Leonardo Rossi , Andrea Prati

Aspect-based-sentiment-analysis (ABSA) is a fine-grained sentiment evaluation task, which analyzes the emotional polarity of the evaluation aspects. Generally, the emotional polarity of an aspect exists in the corresponding opinion…

计算与语言 · 计算机科学 2023-10-10 Dongming Wu , Lulu Wen , Chao Chen , Zhaoshu Shi

Aspect-based sentiment analysis (ABSA) and Targeted ASBA (TABSA) allow finer-grained inferences about sentiment to be drawn from the same text, depending on context. For example, a given text can have different targets (e.g., neighborhoods)…

计算与语言 · 计算机科学 2020-12-15 Zhengxuan Wu , Desmond C. Ong

Cross-domain aspect-based sentiment analysis (ABSA) aims to perform various fine-grained sentiment analysis tasks on a target domain by transferring knowledge from a source domain. Since labeled data only exists in the source domain, a…

计算与语言 · 计算机科学 2023-05-17 Yue Deng , Wenxuan Zhang , Sinno Jialin Pan , Lidong Bing

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.…

计算与语言 · 计算机科学 2022-03-15 Yunlong Liang , Fandong Meng , Jinchao Zhang , Yufeng Chen , Jinan Xu , Jie Zhou

Multimodal aspect-based sentiment analysis (MABSA) aims to identify aspect-level sentiments by jointly modeling textual and visual information, which is essential for fine-grained opinion understanding in social media. Existing approaches…

计算与语言 · 计算机科学 2026-01-13 Zhongzheng Wang , Yuanhe Tian , Hongzhi Wang , Yan Song

Aspect-based sentiment analysis (ABSA) is dedicated to forecasting the sentiment polarity of aspect terms within sentences. Employing graph neural networks to capture structural patterns from syntactic dependency parsing has been confirmed…

计算与语言 · 计算机科学 2023-11-09 Xusheng Zhao , Hao Peng , Qiong Dai , Xu Bai , Huailiang Peng , Yanbing Liu , Qinglang Guo , Philip S. Yu

Though notable progress has been made, neural-based aspect-based sentiment analysis (ABSA) models are prone to learn spurious correlations from annotation biases, resulting in poor robustness on adversarial data transformations. Among the…

计算与语言 · 计算机科学 2024-06-07 Jialong Wu , Linhai Zhang , Deyu Zhou , Guoqiang Xu

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

When retrieval-augmented generation (RAG) systems hallucinate, what geometric trace does this leave in embedding space? We introduce the Semantic Grounding Index (SGI), defined as the ratio of angular distances from the response to the…

人工智能 · 计算机科学 2025-12-17 Javier Marín

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task, which focuses on detecting the sentiment polarity towards the aspect in a sentence. However, it is always sensitive to the multi-aspect challenge, where…

计算与语言 · 计算机科学 2022-09-08 Bing Wang , Liang Ding , Qihuang Zhong , Ximing Li , Dacheng Tao

While aspect-based sentiment analysis (ABSA) has made substantial progress, challenges remain for low-resource languages, which are often overlooked in favour of English. Current cross-lingual ABSA approaches focus on limited, less complex…

计算与语言 · 计算机科学 2025-08-15 Jakub Šmíd , Pavel Přibáň , Pavel Král

Aspect sentiment coherency is an intriguing yet underexplored topic in the field of aspect-based sentiment classification. This concept reflects the common pattern where adjacent aspects often share similar sentiments. Despite its…

计算与语言 · 计算机科学 2024-04-02 Heng Yang , Ke Li

Aspect-Based Sentiment Analysis (ABSA) is a fine-grained linguistics problem that entails the extraction of multifaceted aspects, opinions, and sentiments from the given text. Both standalone and compound ABSA tasks have been extensively…

计算与语言 · 计算机科学 2025-07-18 S M Rafiuddin , Mohammed Rakib , Sadia Kamal , Arunkumar Bagavathi

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

Aspect-based Sentiment Analysis (ABSA) has recently advanced into the multimodal domain, where user-generated content often combines text and images. However, existing multimodal ABSA (MABSA) models struggle to filter noisy visual signals,…

计算与语言 · 计算机科学 2025-09-30 Adamu Lawan , Haruna Yunusa

Aspect-based sentiment classification (ASC) aims to judge the sentiment polarity conveyed by the given aspect term in a sentence. The sentiment polarity is not only determined by the local context but also related to the words far away from…

计算与语言 · 计算机科学 2025-02-11 Hao Niu , Yun Xiong , Xiaosu Wang , Philip S. Yu

Aspect Based Sentiment Analysis (ABSA) is the task of identifying sentiment polarity of a text given another text segment or aspect. In ABSA, a text can have multiple sentiments depending upon each aspect. Aspect Term Sentiment Analysis…

计算与语言 · 计算机科学 2020-05-05 Avinash Madasu , Vijjini Anvesh Rao