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Bitcoin is firmly becoming a mainstream asset in our global society. Its highly volatile nature has traders and speculators flooding into the market to take advantage of its significant price swings in the hope of making money. This work…

Machine Learning · Computer Science 2021-10-29 Nathan Crone , Eoin Brophy , Tomas Ward

Blockchain represents a technology for establishing a shared, immutable version of the truth between a network of participants that do not trust one another, and therefore has the potential to disrupt any financial or other industries that…

Computers and Society · Computer Science 2016-11-02 Marek Laskowski , Henry M. Kim

How popular a topic or an opinion appears to be in a network can be very different from its actual popularity. For example, in an online network of a social media platform, the number of people who mention a topic in their posts---i.e., its…

Social and Information Networks · Computer Science 2020-03-25 Nazanin Alipourfard , Buddhika Nettasinghe , Andres Abeliuk , Vikram Krishnamurthy , Kristina Lerman

We analyse a large sample of the Twitter activity developed around the social movement 'Occupy Wall Street' to study the complex interactions between the human communication activity and the semantic content of a discussion. We use a…

Social and Information Networks · Computer Science 2016-02-17 Floriana Gargiulo , Jacopo Bindi , Andrea Apolloni

Taking the research area of Big Data as a case study, we propose an approach for exploring how academic topics shift through the interactions among audiences across different altmetric sources. Data used is obtained from Web of Science…

Digital Libraries · Computer Science 2020-03-25 Xiaozan Lyu , Rodrigo Costas

Online social media are key platforms for the public to discuss political issues. As a result, researchers have used data from these platforms to analyze public opinions and forecast election results. Recent studies reveal the existence of…

Computers and Society · Computer Science 2020-06-03 Kai-Cheng Yang , Pik-Mai Hui , Filippo Menczer

Sentiment analysis (or opinion mining) on Twitter data has attracted much attention recently. One of the system's key features, is the immediacy in communication with other users in an easy, user-friendly and fast way. Consequently, people…

Databases · Computer Science 2016-02-04 Nikolaos Nodarakis , Spyros Sioutas , Athanasios Tsakalidis , Giannis Tzimas

Topic lifecycle analysis on Twitter, a branch of study that investigates Twitter topics from their birth through lifecycle to death, has gained immense mainstream research popularity. In the literature, topics are often treated as one of…

Social and Information Networks · Computer Science 2018-01-19 Kuntal Dey , Saroj Kaushik , Kritika Garg , Ritvik Shrivastava

Distributed ledger technologies have opened up a wealth of fine-grained transaction data from cryptocurrencies like Bitcoin and Ethereum. This allows research into problems like anomaly detection, anti-money laundering, pattern mining and…

Social and Information Networks · Computer Science 2024-10-07 Naomi A. Arnold , Peijie Zhong , Cheick Tidiane Ba , Ben Steer , Raul Mondragon , Felix Cuadrado , Renaud Lambiotte , Richard G. Clegg

This study investigates how media influence and educational resources shape individual engagement with cryptocurrencies. As digital assets become increasingly mainstream, social media platforms, influencers, and financial analysts play a…

Computers and Society · Computer Science 2025-08-05 Fahed Quttainah

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…

Computational Finance · Quantitative Finance 2024-05-07 Xiaorui Zuo , Yao-Tsung Chen , Wolfgang Karl Härdle

Artificial intelligence (AI)-powered recommender systems play a crucial role in determining the content that users are exposed to on social media platforms. However, the behavioural patterns of these systems are often opaque, complicating…

Social and Information Networks · Computer Science 2023-09-20 Giulio Corsi

Online hate speech, particularly over microblogging platforms like Twitter, has emerged as arguably the most severe issue of the past decade. Several countries have reported a steep rise in hate crimes infuriated by malicious hate…

Social and Information Networks · Computer Science 2020-10-12 Sarah Masud , Subhabrata Dutta , Sakshi Makkar , Chhavi Jain , Vikram Goyal , Amitava Das , Tanmoy Chakraborty

Predicting the popularity of news article is a challenging task. Existing literature mostly focused on article contents and polarity to predict popularity. However, existing research has not considered the users' preference towards a…

Social and Information Networks · Computer Science 2019-01-29 Roshni Chakraborty , Abhijeet Kharat , Apalak Khatua , Sourav Kumar Dandapat , Joydeep Chandra

The possibility to analyze everyday monetary transactions is limited by the scarcity of available data, as this kind of information is usually considered highly sensitive. Present econophysics models are usually employed on presumed random…

Physics and Society · Physics 2014-04-01 Dániel Kondor , Márton Pósfai , István Csabai , Gábor Vattay

The digital town hall of Twitter becomes a preferred medium of communication for individuals and organizations across the globe. Some of them reach audiences of millions, while others struggle to get noticed. Given the impact of social…

Social and Information Networks · Computer Science 2021-02-23 Damian Konrad Kowalczyk , Jan Larsen

Opinion formation has been gaining increasing research interests recently, and various models have been proposed. These models, however, have their limitations, among which noticeably include (i) it is generally assumed that adjacent nodes…

Physics and Society · Physics 2017-03-08 Yi Yu , Gaoxi Xiao

This work is the first study on the effects of attacks on cryptocurrencies as expressed in the sentiments and emotions of social media users. Our goals are to design the methodologies for the study including data collection, conduct…

Social and Information Networks · Computer Science 2024-01-31 Zsofia Baruwa , Sanjay Bhattacherjee , Sahil Rey Chandnani , Zhen Zhu

Modeling online discourse dynamics is a core activity in understanding the spread of information, both offline and online, and emergent online behavior. There is currently a disconnect between the practitioners of online social media…

Social and Information Networks · Computer Science 2021-03-15 Quyu Kong , Rohit Ram , Marian-Andrei Rizoiu

Twitter, a microblogging service, has evolved into a powerful communication platform with millions of active users who generate immense volume of microposts on a daily basis. To facilitate effective categorization and easy search, users…

Social and Information Networks · Computer Science 2017-05-31 Hamidreza Alvari