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Microblogging platforms constitute a popular means of real-time communication and information sharing. They involve such a large volume of user-generated content that their users suffer from an information deluge. To address it, numerous…

信息检索 · 计算机科学 2019-01-18 Efi Karra Taniskidou , George Papadakis , George Giannakopoulos , Manolis Koubarakis

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

Cryptocurrency markets exhibit pronounced momentum effects and regime-dependent volatility, presenting both opportunities and challenges for systematic trading strategies. We propose AdaptiveTrend, a multi-component algorithmic trading…

计算工程、金融与科学 · 计算机科学 2026-02-13 Duc Bui , Thanh Nguyen

Investors are interested in predicting future success of startup companies, preferably using publicly available data which can be gathered using free online sources. Using public-only data has been shown to work, but there is still much…

机器学习 · 计算机科学 2023-12-12 Emily Gavrilenko , Foaad Khosmood , Mahdi Rastad , Sadra Amiri Moghaddam

We study the stochastic structure of cryptocurrency rates of returns as compared to stock returns by focusing on the associated cross-sectional distributions. We build two datasets. The first comprises forty-six major cryptocurrencies, and…

理论经济学 · 经济学 2023-10-10 Emanuele Citera , Francesco De Pretis

Blockchain and its application on cryptocurrency transactions have gathered a lot of attention and popularity since the birth of the pioneer Bitcoin in 2009. More than 1500 cryptocurrencies are currently circulated in the market. The…

计算机与社会 · 计算机科学 2019-01-21 Gourang Aggarwal , Vimal Patel , Gaurav Varshney , Kimberly Oostman

The cryptocurrency market presents both significant investment opportunities and higher risks relative to traditional financial assets. This study examines the tail behavior of daily returns for two leading cryptocurrencies, Bitcoin and…

统计金融 · 定量金融 2025-07-04 A. H. Nzokem

The rapidly evolving cryptocurrency market presents unique challenges for investment due to its inherent volatility and evolving regulatory environment. Collective price movements can be exploited to construct diversified portfolios with…

科普物理 · 物理学 2026-05-01 Ruixue Jing , Ryota Kobayashi , Luis Enrique Correa Rocha

This study investigates the impact of data source diversity on the performance of cryptocurrency forecasting models by integrating various data categories, including technical indicators, on-chain metrics, sentiment and interest metrics,…

投资组合管理 · 定量金融 2025-07-16 Giorgos Demosthenous , Chryssis Georgiou , Eliada Polydorou

Cryptocurrencies aim to replicate physical cash in the digital realm while removing centralized and trusted intermediaries. Decentralization is achieved by the blockchain, a permanent public ledger that contains a record of every…

密码学与安全 · 计算机科学 2024-06-04 Domokos Miklós Kelen , István András Seres

Previous research shows that, despite its popularity, Facebook is less frequently used to share academic content. In order to investigate this discrepancy we set out to explore engagement numbers through their Graph API by querying the…

社会与信息网络 · 计算机科学 2018-09-06 Asura Enkhbayar , Juan Pablo Alperin

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…

机器学习 · 计算机科学 2021-10-29 Nathan Crone , Eoin Brophy , Tomas Ward

For more than a decade now, academicians and online platform administrators have been studying solutions to the problem of bot detection. Bots are computer algorithms whose use is far from being benign: malicious bots are purposely created…

密码学与安全 · 计算机科学 2025-06-25 Rocco De Nicola , Marinella Petrocchi , Manuel Pratelli

Retracted research discussed on social media can spread misinformation. Yet we lack an understanding of how retracted articles are mentioned by academic and non-academic users. This is especially relevant on Twitter due to the platform's…

社会与信息网络 · 计算机科学 2024-01-30 Henry K. Dambanemuya , Rod Abhari , Nicholas Vincent , Emőke-Ágnes Horvát

Advancements in distributed ledger technologies are driving the rise of blockchain-based social media platforms such as Steemit, where users interact with each other in similar ways as conventional social networks. These platforms are…

密码学与安全 · 计算机科学 2021-02-11 Chao Li , Balaji Palanisamy , Runhua Xu , Jinlai Xu , Jingzhe Wang

Identifying the structural dependence between the cryptocurrencies and predicting market trend are fundamental for effective portfolio management in cryptocurrency trading. In this paper, we present a unified Bayesian framework based on…

计算金融 · 定量金融 2023-08-03 Anoop C , Neeraj Negi , Anup Aprem

We endorse the idea, suggested in recent literature, that BitCoin prices are influenced by sentiment and confidence about the underlying technology; as a consequence, an excitement about the BitCoin system may propagate to BitCoin prices…

数理金融 · 定量金融 2019-09-23 Alessandra Cretarola , Gianna Figà-Talamanca

In this paper we forecast daily returns of crypto-currencies using a wide variety of different econometric models. To capture salient features commonly observed in financial time series like rapid changes in the conditional variance,…

计量经济学 · 经济学 2018-02-14 Christian Hotz-Behofsits , Florian Huber , Thomas O. Zörner

Blockchain technology relies on decentralization to resist faults and attacks while operating without trusted intermediaries. Although industry experts have touted decentralization as central to their promise and disruptive potential, it is…

密码学与安全 · 计算机科学 2025-06-04 Harang Ju , Ehsan Valavi , Madhav Kumar , Sinan Aral

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…

社会与信息网络 · 计算机科学 2024-04-02 Hadi Askari , Anshuman Chhabra , Bernhard Clemm von Hohenberg , Michael Heseltine , Magdalena Wojcieszak