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Currency trading (Forex) is the largest world market in terms of volume. We analyze trading and tweeting about the EUR-USD currency pair over a period of three years. First, a large number of tweets were manually labeled, and a Twitter…

Social and Information Networks · Computer Science 2018-07-23 Igor Mozetič , Peter Gabrovšek , Petra Kralj Novak

Twitter continuously tightens the access to its data via the publicly accessible, cost-free standard APIs. This especially applies to the follow network. In light of this, we successfully modified a network sampling method to work…

Social and Information Networks · Computer Science 2021-01-13 Felix Victor Münch , Ben Thies , Cornelius Puschmann , Axel Bruns

Among the vast information available on the web, social media streams capture what people currently pay attention to and how they feel about certain topics. Awareness of such trending topics plays a crucial role in multimedia systems such…

Social and Information Networks · Computer Science 2014-06-17 Tim Althoff , Damian Borth , Jörn Hees , Andreas Dengel

Polarization, declining trust, and wavering support for democratic norms are pressing threats to U.S. democracy. Exposure to verified and quality news may lower individual susceptibility to these threats and make citizens more resilient to…

Social and Information Networks · Computer Science 2024-04-02 Hadi Askari , Anshuman Chhabra , Bernhard Clemm von Hohenberg , Michael Heseltine , Magdalena Wojcieszak

Behavioral economics show us that emotions play an important role in individual behavior and decision-making. Does this also affect collective decision making in a community? Here we investigate whether the community sentiment energy of a…

Social and Information Networks · Computer Science 2017-09-11 Xiang Wang , Chen Wang , Zhaoyun Ding , Min Zhu , Jiumin Huang

Since the advent of the internet, communication paradigms have continuously evolved, resulting in a present-day landscape where the dynamics of information dissemination have undergone a complete transformation compared to the past. In this…

Anonymity in Bitcoin, a peer-to-peer electronic currency system, is a complicated issue. Within the system, users are identified by public-keys only. An attacker wishing to de-anonymize its users will attempt to construct the one-to-many…

Physics and Society · Physics 2012-05-08 Fergal Reid , Martin Harrigan

Online social networks such as Twitter are important platforms for spreading public opinion on a variety of subjects. The classification of users through the analysis of their posts on Twitter according to their opinion sharing can help…

Social and Information Networks · Computer Science 2019-06-17 Camila P. S. Tautenhain , Rodrigo Francisquini , Mariá C. V. Nascimento

Existing studies of how information diffuses across social networks have thus far concentrated on analysing and recovering the spread of deterministic innovations such as URLs, hashtags, and group membership. However investigating how…

Computation and Language · Computer Science 2018-01-01 Leon Derczynski , Matthew Rowe

Bitcoin is a popular alternative to fiat money, widely used for its perceived anonymity properties. However, recent attacks on Bitcoin's peer-to-peer (P2P) network demonstrated that its gossip-based flooding protocols, which are used to…

Cryptography and Security · Computer Science 2017-03-28 Giulia Fanti , Pramod Viswanath

In addition to more personalized content feeds, some leading social media platforms give a prominent role to content that is more widely popular. On Twitter, "trending topics" identify popular topics of conversation on the platform, thereby…

Social and Information Networks · Computer Science 2023-04-12 Joseph Schlessinger , Kiran Garimella , Maurice Jakesch , Dean Eckles

Cryptocurrencies, such as Bitcoin, are becoming increasingly popular, having been widely used as an exchange medium in areas such as financial transaction and asset transfer verification. However, there has been a lack of solutions that can…

Computation and Language · Computer Science 2020-03-12 Shubhankar Mohapatra , Nauman Ahmed , Paulo Alencar

It is widely believed that information spread on social media is a percolation process, with parallels to phase transitions in theoretical physics. However, evidence for this hypothesis is limited, as phase transitions have not been…

Physics and Society · Physics 2021-03-05 Jiarong Xie , Fanhui Meng , Jiachen Sun , Xiao Ma , Gang Yan , Yanqing Hu

Cryptocurrencies are highly volatile financial instruments with more and more new retail investors joining the scene with each passing day. Bitcoin has always proved to determine in which way the rest of the cryptocurrency market is headed…

Statistical Finance · Quantitative Finance 2024-11-22 Rahul Arulkumaran , Suyash Kumar , Shikha Tomar , Manideep Gongalla , Harshitha

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…

Social and Information Networks · Computer Science 2021-05-24 Shahab Saquib Sohail , Mohammad Muzammil Khan , M. Afshar Alam

Centrality is one of the most studied concepts in social network analysis. There is a huge literature regarding centrality measures, as ways to identify the most relevant users in a social network. The challenge is to find measures that can…

Social and Information Networks · Computer Science 2016-04-26 Fabián Riquelme , Pablo González-Cantergiani

According to tastes, a person could show preference for a given category of content to a greater or lesser extent. However, quantifying people's amount of interest in a certain topic is a challenging task, especially considering the massive…

Social and Information Networks · Computer Science 2018-07-20 Lorena Recalde , Ricardo Baeza-Yates

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…

Computation and Language · Computer Science 2020-10-22 Mohiuddin Md Abdul Qudar , Vijay Mago

This paper analyzes correlations and causalities between Bitcoin market indicators and Twitter posts containing emotional signals on Bitcoin. Within a timeframe of 104 days (November 23rd 2013 - March 7th 2014), about 160,000 Twitter posts…

Social and Information Networks · Computer Science 2016-01-19 Jermain Kaminski

This paper provides an extensive examination of a sizable dataset of English tweets focusing on nine widely recognized cryptocurrencies, specifically Cardano, Binance, Bitcoin, Dogecoin, Ethereum, Fantom, Matic, Shiba, and Ripple. Our…

Computation and Language · Computer Science 2024-01-17 Zahra Ahani , Moein Shahiki Tash , Yoel Ledo Mezquita , Jason Angel
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