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Aspect-based sentiment analysis (ABSA) is a natural language processing problem that requires analyzing user-generated reviews to determine: a) The target entity being reviewed, b) The high-level aspect to which it belongs, and c) The…

Computation and Language · Computer Science 2023-09-22 Siva Uday Sampreeth Chebolu , Franck Dernoncourt , Nedim Lipka , Thamar Solorio

Speech emotion recognition has become increasingly important in recent years due to its potential applications in healthcare, customer service, and personalization of dialogue systems. However, a major issue in this field is the lack of…

Computation and Language · Computer Science 2024-04-10 Iwona Christop

Aspect Term Extraction (ATE) identifies opinionated aspect terms in texts and is one of the tasks in the SemEval Aspect Based Sentiment Analysis (ABSA) contest. The small amount of available datasets for supervised ATE and the costly human…

Computation and Language · Computer Science 2017-09-18 Athanasios Giannakopoulos , Claudiu Musat , Andreea Hossmann , Michael Baeriswyl

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task which aims to extract the aspects from sentences and identify their corresponding sentiments. Aspect term extraction (ATE) is the crucial step for ABSA. Due to…

Computation and Language · Computer Science 2022-02-01 Xiang Chen , Xiaojun Wan

Aspect based sentiment analysis (ABSA) involves three fundamental subtasks: aspect term extraction, opinion term extraction, and aspect-level sentiment classification. Early works only focused on solving one of these subtasks individually.…

Computation and Language · Computer Science 2021-04-08 Yue Mao , Yi Shen , Chao Yu , Longjun Cai

Aspect-based sentiment analysis (ABSA), exploring sentiment polarity of aspect-given sentence, is a fine-grained task in the field of nature language processing. Previously researches typically tend to predict polarity based on the meaning…

Computation and Language · Computer Science 2021-11-23 Zijian Zhang , Chenxin Zhang , Jiangfeng Li , Qinpei Zhao

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…

Computation and Language · Computer Science 2023-10-10 Dongming Wu , Lulu Wen , Chao Chen , Zhaoshu Shi

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…

Artificial Intelligence · Computer Science 2023-06-08 Junxian Zhou , Haiqin Yang , Yuxuan He , Hao Mou , Junbo Yang

As an important fine-grained sentiment analysis problem, aspect-based sentiment analysis (ABSA), aiming to analyze and understand people's opinions at the aspect level, has been attracting considerable interest in the last decade. To handle…

Computation and Language · Computer Science 2022-11-08 Wenxuan Zhang , Xin Li , Yang Deng , Lidong Bing , Wai Lam

Targeted sentiment analysis (TSA), also known as aspect based sentiment analysis (ABSA), aims at detecting fine-grained sentiment polarity towards targets in a given opinion document. Due to the lack of labeled datasets and effective…

Computation and Language · Computer Science 2019-05-10 Jiaxin Pei , Aixin Sun , Chenliang Li

Aspect-based Sentiment Analysis (ABSA) is a fine-grained sentiment analysis task which involves four elements from user-generated texts: aspect term, aspect category, opinion term, and sentiment polarity. Most computational approaches focus…

While sentiment analysis has become an established field in the NLP community, research into languages other than English has been hindered by the lack of resources. Although much research in multi-lingual and cross-lingual sentiment…

Computation and Language · Computer Science 2018-03-26 Jeremy Barnes , Patrik Lambert , Toni Badia

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…

Information Retrieval · Computer Science 2014-05-30 Deepali Virmani , Vikrant Malhotra , Ridhi Tyagi

Extracting aspect-polarity pairs from texts is an important task of fine-grained sentiment analysis. While the existing approaches to this task have gained many progresses, they are limited at capturing relationships among aspect-polarity…

Computation and Language · Computer Science 2021-09-02 Lingmei Bu , Li Chen , Yongmei Lu , Zhonghua Yu

Aspect-based sentiment analysis (ABSA) is an emerging fine-grained sentiment analysis task that aims to extract aspects, classify corresponding sentiment polarities and find opinions as the causes of sentiment. The latest research tends to…

Computation and Language · Computer Science 2021-09-20 Chengxi Li , Feiyu Gao , Jiajun Bu , Lu Xu , Xiang Chen , Yu Gu , Zirui Shao , Qi Zheng , Ningyu Zhang , Yongpan Wang , Zhi Yu

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…

Computation and Language · Computer Science 2025-07-17 Benjamin White , Anastasia Shimorina

The World Wide Web holds a wealth of information in the form of unstructured texts such as customer reviews for products, events and more. By extracting and analyzing the expressed opinions in customer reviews in a fine-grained way,…

Computation and Language · Computer Science 2017-09-20 Soufian Jebbara , Philipp Cimiano

With the increase of online customer opinions in specialised websites and social networks, the necessity of automatic systems to help to organise and classify customer reviews by domain-specific aspect/categories and sentiment polarity is…

Computation and Language · Computer Science 2017-07-19 Aitor García-Pablos , Montse Cuadros , German Rigau

Sentiment analysis is a key task in Natural Language Processing (NLP), enabling the extraction of meaningful insights from user opinions across various domains. However, performing sentiment analysis in Persian remains challenging due to…

Computation and Language · Computer Science 2025-10-07 Mehrzad Tareh , Aydin Mohandesi , Ebrahim Ansari

Aspect-oriented Fine-grained Opinion Extraction (AFOE) aims at extracting aspect terms and opinion terms from review in the form of opinion pairs or additionally extracting sentiment polarity of aspect term to form opinion triplet. Because…

Computation and Language · Computer Science 2020-11-04 Zhen Wu , Chengcan Ying , Fei Zhao , Zhifang Fan , Xinyu Dai , Rui Xia