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Aspect sentiment quad prediction (ASQP) facilitates a detailed understanding of opinions expressed in a text by identifying the opinion term, aspect term, aspect category and sentiment polarity for each opinion. However, annotating a full…

计算与语言 · 计算机科学 2025-05-30 Nils Constantin Hellwig , Jakob Fehle , Udo Kruschwitz , Christian Wolff

Recently, aspect sentiment quad prediction (ASQP) has become a popular task in the field of aspect-level sentiment analysis. Previous work utilizes a predefined template to paraphrase the original sentence into a structure target sequence,…

计算与语言 · 计算机科学 2022-10-20 Mengting Hu , Yike Wu , Hang Gao , Yinhao Bai , Shiwan Zhao

Aspect-based sentiment analysis (ABSA) has been extensively studied in recent years, which typically involves four fundamental sentiment elements, including the aspect category, aspect term, opinion term, and sentiment polarity. Existing…

计算与语言 · 计算机科学 2021-10-05 Wenxuan Zhang , Yang Deng , Xin Li , Yifei Yuan , Lidong Bing , Wai Lam

Aspect sentiment quad prediction (ASQP) is a critical subtask of aspect-level sentiment analysis. Current ASQP datasets are characterized by their small size and low quadruple density, which hinders technical development. To expand…

计算与语言 · 计算机科学 2023-11-06 Junxian Zhou , Haiqin Yang , Ye Junpeng , Yuxuan He , Hao Mou

Aspect sentiment quad prediction (ASQP) is a challenging yet significant subtask in aspect-based sentiment analysis as it provides a complete aspect-level sentiment structure. However, existing ASQP datasets are usually small and…

人工智能 · 计算机科学 2023-06-08 Junxian Zhou , Haiqin Yang , Yuxuan He , Hao Mou , Junbo Yang

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

Aspect-based sentiment analysis (ABSA) aims to identify four sentiment elements, including aspect term, aspect category, opinion term, and sentiment polarity. These elements construct a complete picture of sentiments. The most challenging…

计算与语言 · 计算机科学 2026-02-09 Wenna Lai , Haoran Xie , Guandong Xu , Qing Li

Aspect sentiment quad prediction (ASQP) aims to predict the quad sentiment elements for a given sentence, which is a critical task in the field of aspect-based sentiment analysis. However, the data imbalance issue has not received…

计算与语言 · 计算机科学 2024-01-15 Wenyuan Zhang , Xinghua Zhang , Shiyao Cui , Kun Huang , Xuebin Wang , Tingwen Liu

Aspect sentiment quad prediction (ASQP) is inherently challenging to predict a structured quadruple with four core sentiment elements, including aspect term (a), aspect category (c), opinion term (o), and sentiment polarity (s). Prior…

计算与语言 · 计算机科学 2025-12-01 Wenna Lai , Haoran Xie , Guandong Xu , Qing Li , S. Joe Qin

The aspect-based sentiment analysis (ABSA) is a fine-grained task that aims to determine the sentiment polarity towards targeted aspect terms occurring in the sentence. The development of the ABSA task is very much hindered by the lack of…

计算与语言 · 计算机科学 2022-03-15 Yiming Zhang , Min Zhang , Sai Wu , Junbo Zhao

Aspect-based sentiment analysis aims to identify the sentiment polarity of a specific aspect in product reviews. We notice that about 30% of reviews do not contain obvious opinion words, but still convey clear human-aware sentiment…

计算与语言 · 计算机科学 2021-11-04 Zhengyan Li , Yicheng Zou , Chong Zhang , Qi Zhang , Zhongyu Wei

Competitive point cloud semantic segmentation results usually rely on a large amount of labeled data. However, data annotation is a time-consuming and labor-intensive task, particularly for three-dimensional point cloud data. Thus,…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Puzuo Wang , Wei Yao

Partial label learning deals with the problem where each training instance is assigned a set of candidate labels, only one of which is correct. This paper provides the first attempt to leverage the idea of self-training for dealing with…

机器学习 · 计算机科学 2019-02-11 Lei Feng , Bo An

Aspect sentiment quad prediction (ASQP) aims to predict four aspect-based elements, including aspect term, opinion term, aspect category, and sentiment polarity. In practice, unseen aspects, due to distinct data distribution, impose many…

计算与语言 · 计算机科学 2024-06-12 Yinhao Bai , Yalan Xie , Xiaoyi Liu , Yuhua Zhao , Zhixin Han , Mengting Hu , Hang Gao , Renhong Cheng

Alleviating noisy pseudo labels remains a key challenge in Semi-Supervised Temporal Action Localization (SS-TAL). Existing methods often filter pseudo labels based on strict conditions, but they typically assess classification and…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Feixiang Zhou , Bryan Williams , Hossein Rahmani

Pseudo-labeling is a key component in semi-supervised learning (SSL). It relies on iteratively using the model to generate artificial labels for the unlabeled data to train against. A common property among its various methods is that they…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Islam Nassar , Samitha Herath , Ehsan Abbasnejad , Wray Buntine , Gholamreza Haffari

Identification of user's opinions from natural language text has become an exciting field of research due to its growing applications in the real world. The research field is known as sentiment analysis and classification, where aspect…

计算与语言 · 计算机科学 2021-10-19 Milad Vazan , Jafar Razmara

Recently, sentiment analysis has seen remarkable advance with the help of pre-training approaches. However, sentiment knowledge, such as sentiment words and aspect-sentiment pairs, is ignored in the process of pre-training, despite the fact…

计算与语言 · 计算机科学 2020-05-21 Hao Tian , Can Gao , Xinyan Xiao , Hao Liu , Bolei He , Hua Wu , Haifeng Wang , Feng Wu

Self-training is an effective approach to semi-supervised learning. The key idea is to let the learner itself iteratively generate "pseudo-supervision" for unlabeled instances based on its current hypothesis. In combination with consistency…

机器学习 · 统计学 2021-11-05 Julian Lienen , Eyke Hüllermeier

We propose a semi-supervised text classifier based on self-training using one positive and one negative property of neural networks. One of the weaknesses of self-training is the semantic drift problem, where noisy pseudo-labels accumulate…

计算与语言 · 计算机科学 2024-01-02 Payam Karisani
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