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Prominent applications of sentiment analysis are countless, covering areas such as marketing, customer service and communication. The conventional bag-of-words approach for measuring sentiment merely counts term frequencies; however, it…

Computation and Language · Computer Science 2018-10-08 Mathias Kraus , Stefan Feuerriegel

In recent years, machine learning and deep learning have become popular methods for financial data analysis, including financial textual data, numerical data, and graphical data. This paper proposes to use sentiment analysis to extract…

Statistical Finance · Quantitative Finance 2020-07-27 Yang Li , Yi Pan

The unprecedented growth of Internet users in recent years has resulted in an abundance of unstructured information in the form of social media text. A large percentage of this population is actively engaged in health social networks to…

Computation and Language · Computer Science 2018-07-31 Shweta Yadav , Joy Sain , Amit Sheth , Asif Ekbal , Sriparna Saha , Pushpak Bhattacharyya

Aspect-based sentiment analysis seeks to determine sentiment with a high level of detail. While graph convolutional networks (GCNs) are commonly used for extracting sentiment features, their straightforward use in syntactic feature…

Computation and Language · Computer Science 2025-03-18 Chen Li , Debo Cheng , Yasuhiko Morimoto

This paper introduces a visual sentiment concept classification method based on deep convolutional neural networks (CNNs). The visual sentiment concepts are adjective noun pairs (ANPs) automatically discovered from the tags of web photos,…

Computer Vision and Pattern Recognition · Computer Science 2014-11-03 Tao Chen , Damian Borth , Trevor Darrell , Shih-Fu Chang

Today's business ecosystem has become very competitive. Customer satisfaction has become a major focus for business growth. Business organizations are spending a lot of money and human resources on various strategies to understand and…

Computation and Language · Computer Science 2021-10-05 Md. Taufiqul Haque Khan Tusar , Md. Touhidul Islam

Visual media are powerful means of expressing emotions and sentiments. The constant generation of new content in social networks highlights the need of automated visual sentiment analysis tools. While Convolutional Neural Networks (CNNs)…

Multimedia · Computer Science 2015-08-25 Victor Campos , Amaia Salvador , Brendan Jou , Xavier Giró-i-Nieto

Sentiment Analysis is the task of classifying documents based on the sentiments expressed in textual form, this can be achieved by using lexical and semantic methods. The purpose of this study is to investigate the use of semantics to…

Computation and Language · Computer Science 2020-09-02 Ukachi Osisiogu

We introduce a deep memory network for aspect level sentiment classification. Unlike feature-based SVM and sequential neural models such as LSTM, this approach explicitly captures the importance of each context word when inferring the…

Computation and Language · Computer Science 2016-09-27 Duyu Tang , Bing Qin , Ting Liu

Automatic affect recognition is a challenging task due to the various modalities emotions can be expressed with. Applications can be found in many domains including multimedia retrieval and human computer interaction. In recent years, deep…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Panagiotis Tzirakis , George Trigeorgis , Mihalis A. Nicolaou , Björn Schuller , Stefanos Zafeiriou

In multilingual societies like India, code-mixed social media texts comprise the majority of the Internet. Detecting the sentiment of the code-mixed user opinions plays a crucial role in understanding social, economic and political trends.…

Computation and Language · Computer Science 2018-06-13 Madan Gopal Jhanwar , Arpita Das

Recent studies in big data analytics and natural language processing develop automatic techniques in analyzing sentiment in the social media information. In addition, the growing user base of social media and the high volume of posts also…

Computation and Language · Computer Science 2021-10-19 Xin Huang , Wenbin Zhang , Xuejiao Tang , Mingli Zhang , Jayachander Surbiryala , Vasileios Iosifidis , Zhen Liu , Ji Zhang

Traditional approaches in speech emotion recognition, such as LSTM, CNN, RNN, SVM, and MLP, have limitations such as difficulty capturing long-term dependencies in sequential data, capturing the temporal dynamics, and struggling to capture…

Sound · Computer Science 2023-08-10 Samiul Islam , Md. Maksudul Haque , Abu Jobayer Md. Sadat

Sentiment analysis is attracting more and more attentions and has become a very hot research topic due to its potential applications in personalized recommendation, opinion mining, etc. Most of the existing methods are based on either…

Computation and Language · Computer Science 2017-11-22 Xingyue Chen , Yunhong Wang , Qingjie Liu

The fusion of public sentiment data in the form of text with stock price prediction is a topic of increasing interest within the financial community. However, the research literature seldom explores the application of investor sentiment in…

Portfolio Management · Quantitative Finance 2022-03-14 Mufhumudzi Muthivhi , Terence L. van Zyl

The field of natural language processing (NLP) has made significant progress with the rapid development of deep learning technologies. One of the research directions in text sentiment analysis is sentiment analysis of medical texts, which…

Computation and Language · Computer Science 2024-12-04 Yinan Chen

Attention-based long short-term memory (LSTM) networks have proven to be useful in aspect-level sentiment classification. However, due to the difficulties in annotating aspect-level data, existing public datasets for this task are all…

Computation and Language · Computer Science 2018-06-13 Ruidan He , Wee Sun Lee , Hwee Tou Ng , Daniel Dahlmeier

Audio Sentiment Analysis is a popular research area which extends the conventional text-based sentiment analysis to depend on the effectiveness of acoustic features extracted from speech. However, current progress on audio sentiment…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-01 Feiyang Chen , Ziqian Luo

Sentiment Analysis of code-mixed text has diversified applications in opinion mining ranging from tagging user reviews to identifying social or political sentiments of a sub-population. In this paper, we present an ensemble architecture of…

Computation and Language · Computer Science 2020-07-23 Ayush Kumar , Harsh Agarwal , Keshav Bansal , Ashutosh Modi

Neural network models have been demonstrated to be capable of achieving remarkable performance in sentence and document modeling. Convolutional neural network (CNN) and recurrent neural network (RNN) are two mainstream architectures for…

Computation and Language · Computer Science 2015-12-01 Chunting Zhou , Chonglin Sun , Zhiyuan Liu , Francis C. M. Lau