Zobrazeno 1 - 10
of 204
pro vyhledávání: '"Tomaso Aste"'
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract During the unfolding of a crisis, it is crucial to forecast its severity at an early stage , yet access to reliable data is often challenging early on. The wisdom of crowds has been effective at forecasting in similar scenarios. We investiga
Externí odkaz:
https://doaj.org/article/7b460f3ad1e04f0f86b92ef9d4c12202
Autor:
Vittoria Volta, Tomaso Aste
Publikováno v:
Royal Society Open Science, Vol 9, Iss 3 (2022)
We investigate high-frequency reactions in the Eurozone stock market and the UK stock market during the time period surrounding European Central Bank (ECB) and the Bank of England (BoE)’s interest rate decisions, assessing how these two markets rea
Externí odkaz:
https://doaj.org/article/cb837d6980d7425aab7b99e5cb20a578
Autor:
Antonio Briola, Tomaso Aste
Publikováno v:
Entropy, Vol 24, Iss 11, p 1548 (2022)
We investigate logarithmic price returns cross-correlations at different time horizons for a set of 25 liquid cryptocurrencies traded on the FTX digital currency exchange. We study how the structure of the Minimum Spanning Tree (MST) and the Triangul
Externí odkaz:
https://doaj.org/article/4b2e36ad6617478d8585422e49d75a2a
Publikováno v:
Entropy, Vol 24, Iss 10, p 1482 (2022)
We introduce simplicial persistence, a measure of time evolution of motifs in networks obtained from correlation filtering. We observe long memory in the evolution of structures, with a two power law decay regimes in the number of persistent simplici
Externí odkaz:
https://doaj.org/article/13ebc322808341d3b3706859b04c4635
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-9 (2019)
By examining publication records of scientists from four disciplines, the authors show that coauthoring a paper with a top-cited scientist early in one's career predicts lasting increases in career success, especially for researchers affiliated with
Externí odkaz:
https://doaj.org/article/114c19d2d2234acf839c1eb2036eee91
Publikováno v:
EPJ Data Science, Vol 8, Iss 1, Pp 1-15 (2019)
Abstract The growing importance of citation-based bibliometric indicators in shaping the prospects of academic careers incentivizes scientists to boost the numbers of citations they receive. Whereas the exploitation of self-citations has been extensi
Externí odkaz:
https://doaj.org/article/58e2af2c8da44f2389271bc51c12bd59
Autor:
Yo-Der Song, Tomaso Aste
Publikováno v:
Frontiers in Blockchain, Vol 3 (2020)
The Bitcoin network is burning a large amount of energy for mining. In this paper, we estimate the lower bound for the global mining energy cost for a period of 10 years from 2010 to 2020, taking into account changes in energy costs, improvements in
Externí odkaz:
https://doaj.org/article/d15e18e3da2a4e1bb2d5722a9f1b8b09
Autor:
Jeremy D. Turiel, Tomaso Aste
Publikováno v:
Entropy, Vol 24, Iss 2, p 257 (2022)
Flash crashes in financial markets have become increasingly important, attracting attention from financial regulators, market makers as well as from the media and the broader audience. Systemic risk and the propagation of shocks in financial markets
Externí odkaz:
https://doaj.org/article/7d497fc4a58f4ab0b8324480cab1aa8b
Publikováno v:
EPJ Data Science, Vol 7, Iss 1, Pp 1-13 (2018)
Abstract We investigate Bitcoin network observing transactions broadcasted into the network during a week from 04/05/2016 and then monitoring their inclusion into the blockchain during the following seven months.We unveil that 42% of the transactions
Externí odkaz:
https://doaj.org/article/056130fd3ff047499bf5807509347bb3
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
Abstract The peer-to-peer (P2P) economy relies on establishing trust in distributed networked systems, where the reliability of a user is assessed through digital peer-review processes that aggregate ratings into reputation scores. Here we present ev
Externí odkaz:
https://doaj.org/article/5b9f9071ebba4e07bb7c947dcdf70b4f