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相关论文: Aspect-Sentiment-Multiple-Opinion Triplet Extracti…

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Structural bias has recently been exploited for aspect sentiment triplet extraction (ASTE) and led to improved performance. On the other hand, it is recognized that explicitly incorporating structural bias would have a negative impact on…

计算与语言 · 计算机科学 2022-09-05 Chen Zhang , Lei Ren , Fang Ma , Jingang Wang , Wei Wu , Dawei Song

A sentence may express sentiments on multiple aspects. When these aspects are associated with different sentiment polarities, a model's accuracy is often adversely affected. We observe that multiple aspects in such hard sentences are mostly…

计算与语言 · 计算机科学 2022-02-08 Ting Lin , Aixin Sun , Yequan Wang

In aspect-based sentiment analysis (ABSA), many neural models are equipped with an attention mechanism to quantify the contribution of each context word to sentiment prediction. However, such a mechanism suffers from one drawback: only a…

计算与语言 · 计算机科学 2021-03-08 Jinsong Su , Jialong Tang , Hui Jiang , Ziyao Lu , Yubin Ge , Linfeng Song , Deyi Xiong , Le Sun , Jiebo Luo

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

Aspect-based sentiment analysis (ABSA) aims to predict fine-grained sentiments of comments with respect to given aspect terms or categories. In previous ABSA methods, the importance of aspect has been realized and verified. Most existing…

计算与语言 · 计算机科学 2019-07-09 Bowen Xing , Lejian Liao , Dandan Song , Jingang Wang , Fuzheng Zhang , Zhongyuan Wang , Heyan Huang

Aspect-Based Sentiment Analysis (ABSA) in tourism plays a significant role in understanding tourists' evaluations of specific aspects of attractions, which is crucial for driving innovation and development in the tourism industry. However,…

计算与语言 · 计算机科学 2024-09-24 Chun Xu , Mengmeng Wang , Yan Ren , Shaolin Zhu

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…

计算与语言 · 计算机科学 2020-04-07 Yunlong Liang , Fandong Meng , Jinchao Zhang , Jinan Xu , Yufeng Chen , Jie Zhou

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) 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…

计算与语言 · 计算机科学 2021-06-09 Hang Yan , Junqi Dai , Tuo ji , Xipeng Qiu , Zheng Zhang

Aspect and opinion terms extraction from review texts is one of the key tasks in aspect-based sentiment analysis. In order to extract aspect and opinion terms for Indonesian hotel reviews, we adapt double embeddings feature and attention…

计算与语言 · 计算机科学 2019-08-20 Jordhy Fernando , Masayu Leylia Khodra , Ali Akbar Septiandri

Dependency parse trees are helpful for discovering the opinion words in aspect-based sentiment analysis (ABSA). However, the trees obtained from off-the-shelf dependency parsers are static, and could be sub-optimal in ABSA. This is because…

计算与语言 · 计算机科学 2021-09-20 Yuxiang Zhou , Lejian Liao , Yang Gao , Zhanming Jie , Wei Lu

In aspect-based sentiment analysis, extracting aspect terms along with the opinions being expressed from user-generated content is one of the most important subtasks. Previous studies have shown that exploiting connections between aspect…

计算与语言 · 计算机科学 2016-09-20 Wenya Wang , Sinno Jialin Pan , Daniel Dahlmeier , Xiaokui Xiao

In the task of aspect sentiment quad prediction (ASQP), generative methods for predicting sentiment quads have shown promising results. However, they still suffer from imprecise predictions and limited interpretability, caused by data…

计算与语言 · 计算机科学 2024-09-27 Jieyong Kim , Ryang Heo , Yongsik Seo , SeongKu Kang , Jinyoung Yeo , Dongha Lee

Existing aspect based sentiment analysis (ABSA) approaches leverage various neural network models to extract the aspect sentiments via learning aspect-specific feature representations. However, these approaches heavily rely on manual…

计算与语言 · 计算机科学 2020-03-24 Yao Qiang , Xin Li , Dongxiao Zhu

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-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

The e-commerce has started a new trend in natural language processing through sentiment analysis of user-generated reviews. Different consumers have different concerns about various aspects of a specific product or service. Aspect category…

计算与语言 · 计算机科学 2019-06-24 Sajad Movahedi , Erfan Ghadery , Heshaam Faili , Azadeh Shakery

Aspect based Sentiment Analysis is a major subarea of sentiment analysis. Many supervised and unsupervised approaches have been proposed in the past for detecting and analyzing the sentiment of aspect terms. In this paper, a graph-based…

计算与语言 · 计算机科学 2020-03-12 Gunjan Ansari , Chandni Saxena , Tanvir Ahmad , M. N. Doja

With the development of the Internet, natural language processing (NLP), in which sentiment analysis is an important task, became vital in information processing.Sentiment analysis includes aspect sentiment classification. Aspect sentiment…

计算与语言 · 计算机科学 2018-07-06 Yongping Xing , Chuangbai Xiao , Yifei Wu , Ziming Ding

Aspect-Opinion Pair Extraction (AOPE) from Chinese financial texts is a specialized task in fine-grained text sentiment analysis. The main objective is to extract aspect terms and opinion terms simultaneously from a diverse range of…

计算与语言 · 计算机科学 2023-08-07 Qi Chen , Dexi Liu