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Aspect-based sentiment classification aims to predict the sentiment polarity of a specific aspect in a sentence. However, most existing methods attempt to construct dependency relations into a homogeneous dependency graph with the sparsity…

计算与语言 · 计算机科学 2021-12-07 Yukun Cao , Yijia Tang , Ziyue Wei , ChengKun Jin , Zeyu Miao , Yixin Fang , Haizhou Du , Feifei Xu

Implicit sentiment analysis aims to uncover emotions that are subtly expressed, often obscured by ambiguity and figurative language. To accomplish this task, large language models and multi-step reasoning are needed to identify those…

计算与语言 · 计算机科学 2025-03-11 Liwei Yang , Xinying Wang , Xiaotang Zhou , Zhengchao Wu , Ningning Tan

Aspect-level sentiment classification (ALSC) and aspect oriented opinion words extraction (AOWE) are two highly relevant aspect-based sentiment analysis (ABSA) subtasks. They respectively aim to detect the sentiment polarity and extract the…

计算与语言 · 计算机科学 2020-11-03 Chengcan Ying , Zhen Wu , Xinyu Dai , Shujian Huang , Jiajun Chen

Most recent existing aspect-term level sentiment analysis (ATSA) approaches combined various neural network models with delicately carved attention mechanisms built upon given aspect and context to generate refined sentence representations…

计算与语言 · 计算机科学 2020-01-22 Chi Xu , Hao Feng , Guoxin Yu , Min Yang , Xiting Wang , Xiang Ao

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task that focuses on understanding opinions at the aspect level, including sentiment towards specific aspect terms, categories, and opinions. While ABSA research…

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

Aspect based sentiment analysis (ABSA) aims to identify the sentiment polarity towards the given aspect in a sentence, while previous models typically exploit an aspect-independent (weakly associative) encoder for sentence representation…

计算与语言 · 计算机科学 2019-09-04 Yunlong Liang , Fandong Meng , Jinchao Zhang , Jinan Xu , Yufeng Chen , Jie Zhou

Aspect sentiment triplet extraction (ASTE) is a crucial subtask of aspect-based sentiment analysis (ABSA) that aims to comprehensively identify sentiment triplets. Previous research has focused on enhancing ASTE through innovative…

计算与语言 · 计算机科学 2024-01-26 Baoxing Jiang , Shehui Liang , Peiyu Liu , Kaifang Dong , Hongye Li

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task that aims to align aspects and corresponding sentiments for aspect-specific sentiment polarity inference. It is challenging because a sentence may contain…

计算与语言 · 计算机科学 2022-07-18 Shuo Liang , Wei Wei , Xian-Ling Mao , Fei Wang , Zhiyong He

Aspect category detection (ACD) in sentiment analysis aims to identify the aspect categories mentioned in a sentence. In this paper, we formulate ACD in the few-shot learning scenario. However, existing few-shot learning approaches mainly…

计算与语言 · 计算机科学 2021-06-01 Mengting Hu , Shiwan Zhao , Honglei Guo , Chao Xue , Hang Gao , Tiegang Gao , Renhong Cheng , Zhong Su

Multimodal Aspect-Based Sentiment Analysis (MABSA) seeks to extract fine-grained information from image-text pairs to identify aspect terms and determine their sentiment polarity. However, existing approaches often fall short in…

计算与语言 · 计算机科学 2025-10-31 Hao Liu , Lijun He , Jiaxi Liang , Zhihan Ren , Haixia Bi , Fan Li

Aspect-level sentiment classification aims to distinguish the sentiment polarities over one or more aspect terms in a sentence. Existing approaches mostly model different aspects in one sentence independently, which ignore the sentiment…

计算与语言 · 计算机科学 2019-06-12 Pinlong Zhaoa , Linlin Houb , Ou Wua

Opinion Mining and Sentiment Analysis is a process of identifying opinions in large unstructured/structured data and then analysing polarity of those opinions. Opinion mining and sentiment analysis have found vast application in analysing…

信息检索 · 计算机科学 2014-05-30 Deepali Virmani , Vikrant Malhotra , Ridhi Tyagi

Aspect-Based Sentiment Analysis (ABSA) focuses on extracting sentiment at a fine-grained aspect level and has been widely applied across real-world domains. However, existing ABSA research relies on coarse-grained categorical labels (e.g.,…

Opinion phrase extraction is one of the key tasks in fine-grained sentiment analysis. While opinion expressions could be generic subjective expressions, aspect specific opinion expressions contain both the aspect as well as the opinion…

计算与语言 · 计算机科学 2019-02-08 Abhishek Laddha , Arjun Mukherjee

Aspect Sentiment Triplet Extraction (ASTE) aims to extract aspect term, sentiment and opinion term triplets from sentences and tries to provide a complete solution for aspect-based sentiment analysis (ABSA). However, some triplets extracted…

计算与语言 · 计算机科学 2021-08-31 Yuncong Li , Fang Wang , Wenjun Zhang , Sheng-hua Zhong , Cunxiang Yin , Yancheng He

Aspect-Based Sentiment Analysis (ABSA) aims to identify terms or multiword expressions (MWEs) on which sentiments are expressed and the sentiment polarities associated with them. The development of supervised models has been at the…

计算与语言 · 计算机科学 2024-03-27 Gaurav Negi , Rajdeep Sarkar , Omnia Zayed , Paul Buitelaar

Aspect Extraction (AE) is a key task in Aspect-Based Sentiment Analysis (ABSA), yet it remains difficult to apply in low-resource and code-switched contexts like Taglish, a mix of Tagalog and English commonly used in Filipino e-commerce…

Since the dawn of the digitalisation era, customer feedback and online reviews are unequivocally major sources of insights for businesses. Consequently, conducting comparative analyses of such sources has become the de facto modus operandi…

Aspect-level sentiment classification aims to identify the sentiment polarity towards a specific aspect term in a sentence. Most current approaches mainly consider the semantic information by utilizing attention mechanisms to capture the…

计算与语言 · 计算机科学 2021-02-12 Xiaochen Hou , Jing Huang , Guangtao Wang , Xiaodong He , Bowen Zhou

Aspect-based Sentiment Analysis (ABSA) is an important sentiment analysis task, which aims to determine the sentiment polarity towards an aspect in a sentence. Due to the expensive and limited labeled data, data generation (DG) has become…

计算与语言 · 计算机科学 2024-10-01 Qihuang Zhong , Haiyun Li , Luyao Zhuang , Juhua Liu , Bo Du