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Text sentiment analysis, also known as opinion mining, is research on the calculation of people's views, evaluations, attitude and emotions expressed by entities. Text sentiment analysis can be divided into text-level sentiment analysis,…

计算与语言 · 计算机科学 2022-07-08 Tianyu Zhao , Junping Du , Zhe Xue , Ang Li , Zeli Guan

Sentiment analysis on social media data such as tweets and weibo has become a very important and challenging task. Due to the intrinsic properties of such data, tweets are short, noisy, and of divergent topics, and sentiment classification…

计算与语言 · 计算机科学 2016-05-06 Minlie Huang , Yujie Cao , Chao Dong

With the popularity of social networks, and e-commerce websites, sentiment analysis has become a more active area of research in the past few years. On a high level, sentiment analysis tries to understand the public opinion about a specific…

计算与语言 · 计算机科学 2019-04-14 Shervin Minaee , Elham Azimi , AmirAli Abdolrashidi

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

The performance of sentiment analysis methods has greatly increased in recent years. This is due to the use of various models based on the Transformer architecture, in particular BERT. However, deep neural network models are difficult to…

计算与语言 · 计算机科学 2021-11-22 Anastasia Kotelnikova , Danil Paschenko , Klavdiya Bochenina , Evgeny Kotelnikov

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

BERT has revolutionized the NLP field by enabling transfer learning with large language models that can capture complex textual patterns, reaching the state-of-the-art for an expressive number of NLP applications. For text classification…

计算与语言 · 计算机科学 2022-01-11 Frederico Souza , João Filho

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

In recent years, financial sentiment analysis of public opinion has become increasingly important for market forecasting and risk assessment. However, existing methods often struggle to effectively integrate diverse opinion modalities and…

机器学习 · 计算机科学 2025-12-04 Yujing Liu , Chen Yang

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

We propose SentiBERT, a variant of BERT that effectively captures compositional sentiment semantics. The model incorporates contextualized representation with binary constituency parse tree to capture semantic composition. Comprehensive…

计算与语言 · 计算机科学 2020-05-22 Da Yin , Tao Meng , Kai-Wei Chang

In this paper, we propose a novel approach for generating document embeddings using a combination of Sentence-BERT (SBERT) and RoBERTa, two state-of-the-art natural language processing models. Our approach treats sentences as tokens and…

信息检索 · 计算机科学 2023-08-28 Shashidhar Reddy Javaji , Krutika Sarode

Understanding sentiment in multimodal conversations is a complex yet crucial challenge toward building emotionally intelligent AI systems. The Multimodal Conversational Aspect-based Sentiment Analysis (MCABSA) Challenge invited participants…

计算与语言 · 计算机科学 2025-12-30 Zhiqiang Gao , Shihao Gao , Zixing Zhang , Yihao Guo , Hongyu Chen , Jing Han

Financial news plays a central role in shaping investor sentiment and short-term dynamics in commodity markets. Many downstream financial applications, such as commodity price prediction or sentiment modeling, therefore rely on the ability…

计算与语言 · 计算机科学 2026-03-17 Michael Schlee , Christoph Weisser , Timo Kivimäki , Melchizedek Mashiku , Benjamin Saefken

In this study, we leverage state-of-the-art Natural Language Processing (NLP) techniques to perform sentiment analysis on Amazon product reviews. By employing transformer-based models, RoBERTa, we analyze a vast dataset to derive sentiment…

机器学习 · 计算机科学 2024-11-05 Xinli Guo

COVID-19 has created a major public health problem worldwide and other problems such as economic crisis, unemployment, mental distress, etc. The pandemic is deadly in the world and involves many people not only with infection but also with…

机器学习 · 计算机科学 2025-11-25 Khandaker Tayef Shahriar , Iqbal H. Sarker

User and product information associated with a review is useful for sentiment polarity prediction. Typical approaches incorporating such information focus on modeling users and products as implicitly learned representation vectors. Most do…

计算与语言 · 计算机科学 2022-12-20 Chenyang Lyu , Linyi Yang , Yue Zhang , Yvette Graham , Jennifer Foster

Research at the intersection of personality psychology, computer science, and linguistics has recently focused increasingly on modeling and predicting personality from language use. We report two major improvements in predicting personality…

计算与语言 · 计算机科学 2022-04-12 Elma Kerz , Yu Qiao , Sourabh Zanwar , Daniel Wiechmann

Aspect-based Sentiment Analysis (ABSA), aiming at predicting the polarities for aspects, is a fine-grained task in the field of sentiment analysis. Previous work showed syntactic information, e.g. dependency trees, can effectively improve…

计算与语言 · 计算机科学 2021-04-13 Junqi Dai , Hang Yan , Tianxiang Sun , Pengfei Liu , Xipeng Qiu

Artificial intelligence and machine learning have significantly bolstered the technological world. This paper explores the potential of transfer learning in natural language processing focusing mainly on sentiment analysis. The models…

计算与语言 · 计算机科学 2023-11-29 Aman Yadav , Abhishek Vichare