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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

Aspect-based sentiment analysis is a long-standing research interest in the field of opinion mining, and in recent years, researchers have gradually shifted their focus from simple ABSA subtasks to end-to-end multi-element ABSA tasks.…

计算与语言 · 计算机科学 2023-06-30 Hongjie Cai , Nan Song , Zengzhi Wang , Qiming Xie , Qiankun Zhao , Ke Li , Siwei Wu , Shijie Liu , Jianfei Yu , Rui Xia

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

Sentiment analysis is a research topic focused on analysing data to extract information related to the sentiment that it causes. Applications of sentiment analysis are wide, ranging from recommendation systems, and marketing to customer…

机器学习 · 计算机科学 2021-10-29 Vasco Lopes , António Gaspar , Luís A. Alexandre , João Cordeiro

Aspect-based sentiment analysis (ABSA), a nuanced task in text analysis, seeks to discern sentiment orientation linked to specific aspect terms in text. Traditional approaches often overlook or inadequately model the explicit syntactic…

计算与语言 · 计算机科学 2023-12-08 Ullman Galen , Frey Lee , Woods Ali

Aspect-based Sentiment Analysis (ABSA) seeks to predict the sentiment polarity of a sentence toward a specific aspect. Recently, it has been shown that dependency trees can be integrated into deep learning models to produce the…

计算与语言 · 计算机科学 2020-10-27 Amir Pouran Ben Veyseh , Nasim Nour , Franck Dernoncourt , Quan Hung Tran , Dejing Dou , Thien Huu Nguyen

The Web has become the main platform where people express their opinions about entities of interest and their associated aspects. Aspect-Based Sentiment Analysis (ABSA) aims to automatically compute the sentiment towards these aspects from…

计算与语言 · 计算机科学 2020-04-21 Maria Mihaela Trusca , Daan Wassenberg , Flavius Frasincar , Rommert Dekker

Training models for Aspect-Based Sentiment Analysis (ABSA) tasks requires manually annotated data, which is expensive and time-consuming to obtain. This paper introduces LA-ABSA, a novel approach that leverages Large Language Model…

计算与语言 · 计算机科学 2026-03-03 Nils Constantin Hellwig , Jakob Fehle , Udo Kruschwitz , Christian Wolff

Aspect-based sentiment analysis (ABSA), a popular research area in NLP has two distinct parts -- aspect extraction (AE) and labeling the aspects with sentiment polarity (ALSA). Although distinct, these two tasks are highly correlated. The…

Aspect-Based Sentiment Analysis (ABSA) involves extracting opinions from textual data about specific entities and their corresponding aspects through various complementary subtasks. Several prior research has focused on developing ad hoc…

计算与语言 · 计算机科学 2024-06-07 Laura Cabello , Uchenna Akujuobi

This work proposes an LSTM-based sentiment classification model with multi-head attention mechanism and TF-IDF optimization. Through the integration of TF-IDF feature extraction and multi-head attention, the model significantly improves…

计算与语言 · 计算机科学 2025-03-12 Jingyuan Yi , Peiyang Yu , Tianyi Huang , Xiaochuan Xu

Aspect-based sentiment analysis produces a list of aspect terms and their corresponding sentiments for a natural language sentence. This task is usually done in a pipeline manner, with aspect term extraction performed first, followed by…

计算与语言 · 计算机科学 2019-06-18 Ruidan He , Wee Sun Lee , Hwee Tou Ng , Daniel Dahlmeier

Aspect-based sentiment analysis (ABSA), a fine-grained sentiment classification task, has received much attention recently. Many works investigate sentiment information through opinion words, such as ''good'' and ''bad''. However, implicit…

计算与语言 · 计算机科学 2023-12-19 Jihong Ouyang , Zhiyao Yang , Silong Liang , Bing Wang , Yimeng Wang , Ximing Li

This paper aims at an aspect sentiment model for aspect-based sentiment analysis (ABSA) focused on micro reviews. This task is important in order to understand short reviews majority of the users write, while existing topic models are…

计算与语言 · 计算机科学 2018-06-15 Reinald Kim Amplayo , Seung-won Hwang

Sentiment analysis is rapidly advancing by utilizing various data modalities (e.g., text, image). However, most previous works relied on superficial information, neglecting the incorporation of contextual world knowledge (e.g., background…

计算与语言 · 计算机科学 2024-02-21 Wenbin Wang , Liang Ding , Li Shen , Yong Luo , Han Hu , Dacheng Tao

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

Multimodal aspect-based sentiment classification (MASC) is an emerging task due to an increase in user-generated multimodal content on social platforms, aimed at predicting sentiment polarity toward specific aspect targets (i.e., entities…

计算与语言 · 计算机科学 2025-04-23 Luwei Xiao , Rui Mao , Shuai Zhao , Qika Lin , Yanhao Jia , Liang He , Erik Cambria

Due to the breathtaking growth of social media or newspaper user comments, online product reviews comments, sentiment analysis (SA) has captured substantial interest from the researchers. With the fast increase of domain, SA work aims not…

计算与语言 · 计算机科学 2020-12-02 Mahfuz Ahmed Masum , Sheikh Junayed Ahmed , Ayesha Tasnim , Md Saiful Islam

Multimodal sentiment analysis (MSA) leverages information fusion from diverse modalities (e.g., text, audio, visual) to enhance sentiment prediction. However, simple fusion techniques often fail to account for variations in modality…

机器学习 · 计算机科学 2025-10-03 Han Wu , Yanming Sun , Yunhe Yang , Derek F. Wong

This paper explores the design of an aspect-based sentiment analysis system using large language models (LLMs) for real-world use. We focus on quadruple opinion extraction -- identifying aspect categories, sentiment polarity, targets, and…

计算与语言 · 计算机科学 2025-07-17 Benjamin White , Anastasia Shimorina