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Sentiment Analysis (SA) is instrumental in understanding peoples viewpoints facilitating social media monitoring recognizing products and brands and gauging customer satisfaction. Consequently SA has evolved into an active research domain…

计算与语言 · 计算机科学 2025-03-03 Gibson Nkhata , Susan Gauch , Usman Anjum , Justin Zhan

Aspect Sentiment Triplet Extraction (ASTE) has achieved promising results while relying on sufficient annotation data in a specific domain. However, it is infeasible to annotate data for each individual domain. We propose to explore ASTE in…

计算与语言 · 计算机科学 2023-11-20 Ting Xu , Zhen Wu , Huiyun Yang , Xinyu Dai

Aspect-based sentiment analysis predicts sentiment polarity with fine granularity. While graph convolutional networks (GCNs) are widely utilized for sentimental feature extraction, their naive application for syntactic feature extraction…

计算与语言 · 计算机科学 2024-09-10 Chen Li , Huidong Tang , Jinli Zhang , Xiujing Guo , Debo Cheng , Yasuhiko Morimoto

Sentiment analysis is a crucial task that aims to understand people's emotional states and predict emotional categories based on multimodal information. It consists of several subtasks, such as emotion recognition in conversation (ERC),…

计算与语言 · 计算机科学 2023-09-06 Zaijing Li , Ting-En Lin , Yuchuan Wu , Meng Liu , Fengxiao Tang , Ming Zhao , Yongbin Li

Aspect-based sentiment analysis (ABSA) and Targeted ASBA (TABSA) allow finer-grained inferences about sentiment to be drawn from the same text, depending on context. For example, a given text can have different targets (e.g., neighborhoods)…

计算与语言 · 计算机科学 2020-12-15 Zhengxuan Wu , Desmond C. Ong

Sentiment analysis is a domain of study that focuses on identifying and classifying the ideas expressed in the form of text into positive, negative and neutral polarities. Feature selection is a crucial process in machine learning. In this…

计算与语言 · 计算机科学 2020-02-04 Avinash Madasu , Sivasankar E

Aspect-based sentiment analysis (ABSA) involves identifying sentiment towards specific aspect terms in a sentence and allows us to uncover nuanced perspectives and attitudes on particular aspects of a product, service, or topic. However,…

计算与语言 · 计算机科学 2024-09-18 Lingling Xu , Haoran Xie , S. Joe Qin , Fu Lee Wang , Xiaohui Tao

Detecting and aggregating sentiments toward people, organizations, and events expressed in unstructured social media have become critical text mining operations. Early systems detected sentiments over whole passages, whereas more recently,…

机器学习 · 计算机科学 2019-02-11 Divam Gupta , Kushagra Singh , Soumen Chakrabarti , Tanmoy Chakraborty

Sentiment Analysis refers to the study of systematically extracting the meaning of subjective text . When analysing sentiments from the subjective text using Machine Learning techniques,feature extraction becomes a significant part. We…

计算与语言 · 计算机科学 2019-06-05 Avinash Madasu , Sivasankar E

Sentiment analysis is an important task in natural language processing. In recent works, pre-trained language models are often used to achieve state-of-the-art results, especially when training data is scarce. It is common to fine-tune on…

计算与语言 · 计算机科学 2022-04-13 Ehsan Hosseini-Asl , Wenhao Liu , Caiming Xiong

While existing Aspect-based Sentiment Analysis (ABSA) has received extensive effort and advancement, there are still gaps in defining a more holistic research target seamlessly integrating multimodality, conversation context,…

计算与语言 · 计算机科学 2024-09-10 Meng Luo , Hao Fei , Bobo Li , Shengqiong Wu , Qian Liu , Soujanya Poria , Erik Cambria , Mong-Li Lee , Wynne Hsu

Aspect category sentiment analysis (ACSA) has achieved remarkable progress with large language models (LLMs), yet existing approaches primarily emphasize sentiment polarity while overlooking the underlying emotional dimensions that shape…

计算与语言 · 计算机科学 2025-11-25 Yaping Chai , Haoran Xie , Joe S. Qin

The objective of Aspect Based Sentiment Analysis is to capture the sentiment of reviewers associated with different aspects. However, complexity of the review sentences, presence of double negation and specific usage of words found in…

计算与语言 · 计算机科学 2022-02-15 Abir Chakraborty

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-based sentiment analysis of review texts is of great value for understanding user feedback in a fine-grained manner. It has in general two sub-tasks: (i) extracting aspects from each review, and (ii) classifying aspect-based reviews…

计算与语言 · 计算机科学 2020-10-15 Jiaxin Huang , Yu Meng , Fang Guo , Heng Ji , Jiawei Han

Most existing methods focus on sentiment analysis of textual data. However, recently there has been a massive use of images and videos on social platforms, motivating sentiment analysis from other modalities. Current studies show that…

机器学习 · 计算机科学 2022-10-13 Guilherme Lourenço de Toledo , Ricardo Marcondes Marcacini

Aspect-based Sentiment Analysis (ABSA) extracts fine-grained opinions toward specific aspects within text but remains largely English-focused despite major advances in transformer-based and instruction-tuned models. This work presents a…

计算与语言 · 计算机科学 2026-04-30 Jakob Fehle , Nils Constantin Hellwig , Udo Kruschwitz , Christian Wolff

Fine-grained sentiment analysis (FSA) aims to extract and summarize user opinions from vast opinionated text. Recent studies demonstrate that large language models (LLMs) possess exceptional sentiment understanding capabilities. However,…

计算与语言 · 计算机科学 2024-12-31 Yice Zhang , Guangyu Xie , Hongling Xu , Kaiheng Hou , Jianzhu Bao , Qianlong Wang , Shiwei Chen , Ruifeng Xu

Knowledge tracing (KT) aims to predict learners' future performance based on historical learning interactions. However, existing KT models predominantly focus on data from a single course, limiting their ability to capture a comprehensive…

人工智能 · 计算机科学 2025-05-21 Wenkang Han , Wang Lin , Liya Hu , Zhenlong Dai , Yiyun Zhou , Mengze Li , Zemin Liu , Chang Yao , Jingyuan Chen

Sentiment Analysis (SA) or opinion mining is analysis of emotions and opinions from any kind of text. SA helps in tracking peoples viewpoints and it is an important factor when it comes to social media monitoring product and brand…

计算与语言 · 计算机科学 2025-02-27 Gibson Nkhata , Usman Anjum , Justin Zhan