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We study the problem of predicting the future performance of cryptocurrencies using social media data. We propose a new model to measure the engagement of users with topics discussed on social media based on interactions with social media…

社会与信息网络 · 计算机科学 2023-07-19 Khizar Qureshi , Tauhid Zaman

In recent times, we have seen an increased use of text chat for communication on social networks and smartphones. This particularly involves the use of Hindi-English code-mixed text which contains words which are not recognized in English…

计算与语言 · 计算机科学 2021-11-16 Divyansh Singh

The surge of retail investor activity on social media, exemplified by the 2021 GameStop short squeeze, raised questions about the influence of online sentiment on stock prices. This paper explores whether sentiment derived from social media…

计算与语言 · 计算机科学 2025-08-01 Mateusz Kmak , Kamil Chmurzyński , Kamil Matejuk , Paweł Kotzbach , Jan Kocoń

Negative emotions are linked to the onset of neurodegenerative diseases and dementia, yet they are often difficult to detect through observation. Physiological signals from wearable devices offer a promising noninvasive method for…

人机交互 · 计算机科学 2025-10-28 Muhammad Irfan , Anum Nawaz , Ayse Kosal Bulbul , Riku Klen , Abdulhamit Subasi , Tomi Westerlund , Wei Chen

This paper uses new and recently introduced methodologies to study the similarity in the dynamics and behaviours of cryptocurrencies and equities surrounding the COVID-19 pandemic. We study two collections; 45 cryptocurrencies and 72…

统计金融 · 定量金融 2021-07-30 Nick James

Many attempts have been made at estimating discrete emotions (calmness, anxiety, boredom, surprise, anger) and continuous emotional measures commonly used in psychology, namely `valence' (The pleasantness of the emotion being displayed) and…

人机交互 · 计算机科学 2023-10-20 Karthik Subramanian , Saurav Singh , Justin Namba , Jamison Heard , Christopher Kanan , Ferat Sahin

This study investigated and compared public sentiment related to COVID-19 vaccines expressed on two popular social media platforms, Reddit and Twitter, harvested from January 1, 2020, to March 1, 2022. To accomplish this task, we created a…

计算与语言 · 计算机科学 2022-11-29 Chad A Melton , Brianna M White , Robert L Davis , Robert A Bednarczyk , Arash Shaban-Nejad

In this study, we constructed an emotion index that quantitatively represents the collective emotions present in the Japanese web space by utilizing Social Networking Service (SNS) post data. Building upon previous research that used blog…

社会与信息网络 · 计算机科学 2025-02-13 Koutarou Tamura , Yukie Sano , Junichi Shiozaki

The COVID-19 pandemic has created many problems, especially in people's social lives. There has been increasing isolation and economic hardships since the beginning of the pandemic for people all over the world. Quarantines and lockdowns…

社会与信息网络 · 计算机科学 2025-12-25 Dino Husnic , Stefan Cobeli , Shweta Yadav

This paper studies the forecasting ability of cryptocurrency time series. This study is about the four most capitalized cryptocurrencies: Bitcoin, Ethereum, Litecoin and Ripple. Different Bayesian models are compared, including models with…

计量经济学 · 经济学 2019-09-17 Rick Bohte , Luca Rossini

We study the fluctuations, particularly the inequality of fluctuations, in cryptocurrency prices over the last ten years. We calculate the inequality in the price fluctuations through different measures, such as the Gini and Kolkata…

物理与社会 · 物理学 2024-09-10 Asim Ghosh , Soumyajyoti Biswas , Bikas K. Chakrabarti

At present, cryptocurrencies have become a global phenomenon in financial sectors as it is one of the most traded financial instruments worldwide. Cryptocurrency is not only one of the most complicated and abstruse fields among financial…

统计金融 · 定量金融 2020-05-20 Reaz Chowdhury , M. Arifur Rahman , M. Sohel Rahman , M. R. C. Mahdy

As cryptocurrencies gain popularity and credibility, marketplaces for cryptocurrencies are growing in importance. Understanding the dynamics of these markets can help to assess how viable the cryptocurrnency ecosystem is and how design…

计算机与社会 · 计算机科学 2018-04-25 Peter M Krafft , Nicolás Della Penna , Alex Pentland

This study presents an innovative approach for predicting cryptocurrency time series, specifically focusing on Bitcoin, Ethereum, and Litecoin. The methodology integrates the use of technical indicators, a Performer neural network, and…

计算金融 · 定量金融 2024-03-07 Mohammad Ali Labbaf Khaniki , Mohammad Manthouri

All groups of people felt the impact of the COVID-19 pandemic. This situation triggers anxiety, which is bad for everyone. The government's role is very influential in solving these problems with its work program. It also has many pros and…

计算与语言 · 计算机科学 2021-03-02 Shoffan Saifullah , Yuli Fauziah , Agus Sasmito Aribowo

Cryptocurrencies and Blockchain-based technologies are disrupting all markets. While the potential of such technologies remains to be seen, there is a current need to understand emergent patterns of user behavior and token adoption in order…

社会与信息网络 · 计算机科学 2020-05-26 Alfredo J. Morales , Shahar Somin , Yaniv Altshuler , Alex 'Sandy' Pentland

This paper analyzes the intersection of presidential authority and cryptocurrency markets during Donald J. Trump's second term (2025-2029). We examine developments from 2024 through October 2025, focusing on how executive influence, family…

综合金融 · 定量金融 2025-12-04 Habib Badawi

Social media is now the predominant source of information due to the availability of immediate public response. As a result, social media data has become a valuable resource for comprehending public sentiments. Studies have shown that it…

计算与语言 · 计算机科学 2024-10-28 Daniyar Amangeldi , Aida Usmanova , Pakizar Shamoi

This research investigates the growing trend of retail investors participating in certain stocks by organizing themselves on social media platforms, particularly Reddit. Previous studies have highlighted a notable association between Reddit…

计算金融 · 定量金融 2023-08-22 Tim Matthies , Thomas Löhden , Stephan Leible , Jun-Patrick Raabe

Thanks to the high potential for profit, trading has become increasingly attractive to investors as the cryptocurrency and stock markets rapidly expand. However, because financial markets are intricate and dynamic, accurately predicting…