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The study of public opinion can provide us with valuable information. The analysis of sentiment on social networks, such as Twitter or Facebook, has become a powerful means of learning about the users' opinions and has a wide range of…

Computation and Language · Computer Science 2020-06-08 Nhan Cach Dang , María N. Moreno-García , Fernando De la Prieta

Analysis of information retrieved from microblogging services such as Twitter can provide valuable insight into public sentiment in a geographic region. This insight can be enriched by visualising information in its geographic context. Two…

Computation and Language · Computer Science 2016-11-18 Vu Dung Nguyen , Blesson Varghese , Adam Barker

Cryptocurrency is a digital currency that uses blockchain technology with secure encryption. Due to the decentralization of these currencies, traditional monetary systems and the capital market of each they, can influence a society.…

Computation and Language · Computer Science 2025-01-20 Vahid Amiri , Mahmood Ahmadi

Trends and opinion mining in social media increasingly focus on novel interactions involving visual media, like images and short videos, in addition to text. In this work, we tackle the problem of visual sentiment analysis of social media…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Alessio Serra , Fabio Carrara , Maurizio Tesconi , Fabrizio Falchi

This study explores the intersection of fashion trends and social media sentiment through computational analysis of Twitter data using the T4SA (Twitter for Sentiment Analysis) dataset. By applying natural language processing and machine…

Computation and Language · Computer Science 2025-05-02 Aayam Bansal , Agneya Tharun

This paper describes our deep learning-based approach to sentiment analysis in Twitter as part of SemEval-2016 Task 4. We use a convolutional neural network to determine sentiment and participate in all subtasks, i.e. two-point,…

Computation and Language · Computer Science 2016-09-12 Sebastian Ruder , Parsa Ghaffari , John G. Breslin

A novel social networks sentiment analysis model is proposed based on Twitter sentiment score (TSS) for real-time prediction of the future stock market price FTSE 100, as compared with conventional econometric models of investor sentiment…

Social and Information Networks · Computer Science 2020-04-23 Xinyi Guo , Jinfeng Li

Sentiment analysis of online user generated content is important for many social media analytics tasks. Researchers have largely relied on textual sentiment analysis to develop systems to predict political elections, measure economic…

Computer Vision and Pattern Recognition · Computer Science 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

Twitter as a new form of social media potentially contains useful information that opens new opportunities for content analysis on tweets. This paper examines the predictive power of Twitter regarding the US presidential election of 2012.…

Social and Information Networks · Computer Science 2014-07-03 Kazem Jahanbakhsh , Yumi Moon

In this paper, we present computational models to predict Twitter users' attitude towards a specific brand through their personal and social characteristics. We also predict their likelihood to take different actions based on their…

Social and Information Networks · Computer Science 2017-04-18 Jalal Mahmud , Geli Fei , Anbang Xu , Aditya Pal , Michelle Zhou

Emerging interest of trading companies and hedge funds in mining social web has created new avenues for intelligent systems that make use of public opinion in driving investment decisions. It is well accepted that at high frequency trading,…

Computational Engineering, Finance, and Science · Computer Science 2012-12-06 Tushar Rao , Saket Srivastava

Twitter is among the most used online platforms for the political communications, due to the concision of its messages (which is particularly suitable for political slogans) and the quick diffusion of messages. Especially when the argument…

Social and Information Networks · Computer Science 2021-06-08 Giacomo Aletti , Irene Crimaldi , Fabio Saracco

In this paper, we present an experiment on using deep learning and transfer learning techniques for emotion analysis in tweets and suggest a method to interpret our deep learning models. The proposed approach for emotion analysis combines a…

Computation and Language · Computer Science 2020-12-14 Yasas Senarath , Uthayasanker Thayasivam

Training machine learning models for predicting stock market share prices is an active area of research since the automatization of trading such papers was available in real time. While most of the work in this field of research is done by…

Statistical Finance · Quantitative Finance 2023-09-14 Mario Mitsuo Akita , Everton Josue da Silva

Several studies have shown that deep learning models can provide more accurate volatility forecasts than the traditional methods used within this domain. This paper presents a composite model that merges a deep learning approach with…

Machine Learning · Computer Science 2022-11-18 V Ncume , T. L van Zyl , A Paskaramoorthy

In an era where financial markets are heavily influenced by many static and dynamic factors, it has become increasingly critical to carefully integrate diverse data sources with machine learning for accurate stock price prediction. This…

Statistical Finance · Quantitative Finance 2025-03-10 Furkan Karadaş , Bahaeddin Eravcı , Ahmet Murat Özbayoğlu

The growing popularity of social media (e.g, Twitter) allows users to easily share information with each other and influence others by expressing their own sentiments on various subjects. In this work, we propose an unsupervised…

Social and Information Networks · Computer Science 2014-06-13 Linhong Zhu , Aram Galstyan , James Cheng , Kristina Lerman

This study provides a predictive measurement tool to examine perceived anxiety from a longitudinal perspective, using a non-intrusive machine learning approach to scale human rating of anxiety in microblogs. Results suggest that our chosen…

Human-Computer Interaction · Computer Science 2019-09-17 Dritjon Gruda , Souleiman Hasan

Climate change is one of the most pressing challenges of the 21st century, sparking widespread discourse across social media platforms. Activists, policymakers, and researchers seek to understand public sentiment and narratives while access…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Katharina Prasse , Marcel Kleinmann , Inken Adam , Kerstin Beckersjuergen , Andreas Edte , Jona Frroku , Timotheus Gumpp , Steffen Jung , Isaac Bravo , Stefanie Walter , Margret Keuper

As microblogging services like Twitter are becoming more and more influential in today's globalised world, its facets like sentiment analysis are being extensively studied. We are no longer constrained by our own opinion. Others opinions…

Social and Information Networks · Computer Science 2017-01-12 Tapan Sahni , Chinmay Chandak , Naveen Reddy Chedeti , Manish Singh