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ABSTRACT:
SUBMITTER: Mathiesen J
PROVIDER: S-EPMC3808623 | biostudies-literature | 2013 Oct
REPOSITORIES: biostudies-literature
Mathiesen Joachim J Angheluta Luiza L Ahlgren Peter T H PT Jensen Mogens H MH
Proceedings of the National Academy of Sciences of the United States of America 20131007 43
Using empirical data from a social media site (Twitter) and on trading volumes of financial securities, we analyze the correlated human activity in massive social organizations. The activity, typically excited by real-world events and measured by the occurrence rate of international brand names and trading volumes, is characterized by intermittent fluctuations with bursts of high activity separated by quiescent periods. These fluctuations are broadly distributed with an inverse cubic tail and ha ...[more]