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Twitter is a well-known microblogging social site where users express their views and opinions in real-time. As a result, tweets tend to contain valuable information. With the advancements of deep learning in the domain of natural language…

计算与语言 · 计算机科学 2020-10-22 Mohiuddin Md Abdul Qudar , Vijay Mago

Nowadays social media platforms such as Twitter provide a great opportunity to understand public opinion of climate change compared to traditional survey methods. In this paper, we constructed a massive climate change Twitter dataset and…

计算与语言 · 计算机科学 2021-12-01 Zhongkai Shangguan , Zihe Zheng , Lei Lin

Microblogging is a form of online communication by which users broadcast brief text updates, also known as tweets, to the public or a selected circle of contacts. A variegated mosaic of microblogging uses has emerged since the launch of…

计算机与社会 · 计算机科学 2011-03-29 Johan Bollen , Alberto Pepe , Huina Mao

Based on the high-frequency recordings from Kraken, a cryptocurrency exchange and professional trading platform that aims to bring Bitcoin and other cryptocurrencies into the mainstream, the multiscale cross-correlations involving the…

For decades, the world of financial advisors has been dominated by large investment banks such as Goldman Sachs. In recent years, user-contributed investment services such as SeekingAlpha and StockTwits have grown to millions of users. In…

社会与信息网络 · 计算机科学 2014-06-05 Gang Wang , Tianyi Wang , Bolun Wang , Divya Sambasivan , Zengbin Zhang , Haitao Zheng , Ben Y. Zhao

Companies across all economic sectors continue to deploy large language models at a rapid pace. Reinforcement learning is experiencing a resurgence of interest due to its association with the fine-tuning of language models from human…

机器学习 · 计算机科学 2025-02-25 David Byrd

In recent years, people spend a lot of time on social networks. They use social networks as a place to comment on personal or public events. Thus, a large amount of information is generated and shared daily in these networks. Using such a…

社会与信息网络 · 计算机科学 2020-10-05 Parinaz Rahimizadeh , Mohammad Javad Shayegan

Analysing sentiment of tweets is important as it helps to determine the users' opinion. Knowing people's opinion is crucial for several purposes starting from gathering knowledge about customer base, e-governance, campaigning and many more.…

计算与语言 · 计算机科学 2016-11-30 Lahari Poddar , Kishaloy Halder , Xianyan Jia

Microbloging is an extremely prevalent broadcast medium amidst the Internet fraternity these days. People share their opinions and sentiments about variety of subjects like products, news, institutions, etc., every day on microbloging…

社会与信息网络 · 计算机科学 2015-12-04 Harsh Thakkar , Dhiren Patel

Sentiment analysis is the task of automatic analysis of opinions and emotions of users towards an entity or some aspect of that entity. Political Sentiment Analysis of social media helps the political strategists to scrutinize the…

社会与信息网络 · 计算机科学 2020-07-22 Mohd Zeeshan Ansari , Areesha Fatima Siddiqui , Mohammad Anas

In the burgeoning realm of cryptocurrency, social media platforms like Twitter have become pivotal in influencing market trends and investor sentiments. In our study, we leverage GPT-4 and a fine-tuned transformer-based BERT model for a…

计算金融 · 定量金融 2024-05-07 Xiaorui Zuo , Yao-Tsung Chen , Wolfgang Karl Härdle

One of the most important incidents in the world in 2020 is the outbreak of the Coronavirus. Users on social networks publish a large number of comments about this event. These comments contain important hidden information of public opinion…

计算与语言 · 计算机科学 2021-10-06 Fatemeh Salmani , Hamed Vahdat-Nejad , Hamideh Hajiabadi

Working adults spend nearly one third of their daily time at their jobs. In this paper, we study job-related social media discourse from a community of users. We use both crowdsourcing and local expertise to train a classifier to detect…

社会与信息网络 · 计算机科学 2015-11-17 Tong Liu , Christopher M. Homan , Cecilia Ovesdotter Alm , Ann Marie White , Megan C. Lytle-Flint , Henry A. Kautz

Malicious Twitter bots are detrimental to public discourse on social media. Past studies have looked at spammers, fake followers, and astroturfing bots, but retweet bots, which artificially inflate content, are not well understood. In this…

社会与信息网络 · 计算机科学 2022-03-24 Tuğrulcan Elmas , Rebekah Overdorf , Karl Aberer

We study Twitter data from a dynamical systems perspective. In particular, we focus on the large set of data released by Twitter Inc. and asserted to represent a Russian influence operation. We propose a mathematical model to describe the…

社会与信息网络 · 计算机科学 2020-01-28 Sarah Rajtmajer , Ashish Simhachalam , Thomas Zhao , Brady Bickel , Christopher Griffin

Data from the social-media site, Twitter, is used to study the fluctuations in tweet rates of brand names. The tweet rates are the result of a strongly correlated user behavior, which leads to bursty collective dynamics with a…

物理与社会 · 物理学 2015-05-22 Anders Mollgaard , Joachim Mathiesen

The Foreign Exchange (Forex) is a large decentralized market, on which trading analysis and algorithmic trading are popular. Research efforts have been focusing on proof of efficiency of certain technical indicators. We demonstrate,…

统计金融 · 定量金融 2021-06-01 Nikolay Ivanov , Qiben Yan

Twitter is increasingly used for political, advertising and marketing campaigns, where the main aim is to influence users to support specific causes, individuals or groups. We propose a novel methodology for mining and analyzing Twitter…

社会与信息网络 · 计算机科学 2020-11-24 Shanika Karunasekera , Kwan Hui Lim , Aaron Harwood

Stock price movements are influenced by many factors, and alongside historical price data, tex-tual information is a key source. Public news and social media offer valuable insights into market sentiment and emerging events. These sources…

计算工程、金融与科学 · 计算机科学 2025-07-29 Wenyan Xu , Dawei Xiang , Rundong Wang , Yonghong Hu , Liang Zhang , Jiayu Chen , Zhonghua Lu

The need for a comprehensive study to explore various aspects of online social media has been instigated by many researchers. This paper gives an insight into the social platform, Twitter. In this present work, we have illustrated stepwise…

社会与信息网络 · 计算机科学 2021-05-24 Shahab Saquib Sohail , Mohammad Muzammil Khan , M. Afshar Alam