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Theoretical computer science plays an important role in the understanding of social networks and their properties. We can model information rippling throughout social networks, or the opinions of social media users for example, using graph…

Discrete Mathematics · Computer Science 2024-06-11 Timothy Horscroft

Human dynamical social networks encode information and are highly adaptive. To characterize the information encoded in the fast dynamics of social interactions, here we introduce the entropy of dynamical social networks. By analysing a…

Physics and Society · Physics 2012-01-17 Kun Zhao , Márton Karsai , Ginestra Bianconi

This paper suggests a generalized distribution of response times to new information $\sim t^{-b}$ for human populations in the absence of deadlines. This has important implications for psychological and social studies as well the study of…

Physics and Society · Physics 2009-11-11 Anders Johansen

Power law distributions of macroscopic observables are ubiquitous in both the natural and social sciences. They are indicative of correlated, cooperative phenomena between groups of interacting agents at the microscopic level. In this paper…

Condensed Matter · Physics 2009-11-07 P Ormerod , C Mounfield

The goal of developing a firmer theoretical understanding of inhomogenous temporal processes -- in particular, the waiting times in some collective dynamical system -- is attracting significant interest among physicists. Quantifying the…

Statistical Finance · Quantitative Finance 2015-06-12 Guannan Zhao , Mark McDonald , Dan Fenn , Stacy Williams , Neil F. Johnson

Identifying the statistical distribution that best fits citation data is important to allow robust and powerful quantitative analyses. Whilst previous studies have suggested that both the hooked power law and discretised lognormal…

Digital Libraries · Computer Science 2016-03-07 Mike Thelwall

Citation distributions are crucial for the analysis and modeling of the activity of scientists. We investigated bibliometric data of papers published in journals of the American Physical Society, searching for the type of function which…

Physics and Society · Physics 2011-10-11 Young-Ho Eom , Santo Fortunato

For many users on social networks, one of the goals when broadcasting content is to reach a large audience. The probability of receiving reactions to a message differs for each user and depends on various factors, such as location, daily…

Social and Information Networks · Computer Science 2015-10-29 Nemanja Spasojevic , Zhisheng Li , Adithya Rao , Prantik Bhattacharyya

Performance bounds for opportunistic networks have been derived in a number of recent papers for several key quantities, such as the expected delivery time of a unicast message, or the flooding time (a measure of how fast information…

Social and Information Networks · Computer Science 2012-06-28 Luca Becchetti , Andrea Clementi , Francesco Pasquale , Giovanni Resta , Paolo Santi , Riccardo Silvestri

Neural synchronisation plays a critical role in information processing, storage and transmission. Characterising the pattern of synchronisation is therefore of great interest. It has recently been suggested that the brain displays broadband…

Biological Physics · Physics 2012-12-04 Maria Botcharova , Simon F. Farmer , Luc Berthouze

[Purpose] To better understand the online reviews and help potential consumers, businessmen, and product manufacturers effectively obtain users' evaluation on product aspects, this paper explores the distribution regularities of user…

Computation and Language · Computer Science 2022-09-09 Chenglei Qin , Chengzhi Zhang , Yi Bu

Modalities of communication for human beings are gradually increasing in number with the advent of new forms of technology. Many human beings can readily transition between these different forms of communication with little or no effort,…

Computation and Language · Computer Science 2014-03-04 Josiah P. Zayner

Disagreement and conflict are a fact of social life and considerably affect our well-being and productivity. Such negative interactions are rarely explicitly declared and recorded and this makes them hard for scientists to study. We…

Social and Information Networks · Computer Science 2016-11-04 Milena Tsvetkova , Ruth García-Gavilanes , Taha Yasseri

About two million U.S. corporations and partnerships are linked to each other and human investors by about 15 million owner-subsidiary links. Comparable social networks such as corporate board memberships and socially-built systems such as…

General Economics · Economics 2024-01-23 Ben Klemens

In recent years we have witnessed an explosion of data collected for different human dynamics, from email communication to social networks activities. Extract useful information from these huge data sets represents a major challenge. In the…

Physics and Society · Physics 2019-12-09 Anna Tovo , Samuele Stivanello , Amos Maritan , Samir Suweis , Stefano Favaro , Marco Formentin

In a previous study, we investigated the frequency distribution of the email size in the system log data of the main email server for the staff on a campus network. We found that the frequencies of email sizes followed a power-law…

Physics and Society · Physics 2016-10-03 Yoshitsugu Matsubara , Yasuo Musashi

Recently, increasing empirical evidence indicates the extensive existence of heavy tails in the interevent time distributions of various human behaviors. Based on the queuing theory, the Barab\'asi model and its variations suggest the…

Physics and Society · Physics 2008-07-26 Xiao-Pu Han , Tao Zhou , Bing-Hong Wang

We investigate how the overall response to a piece of information (a story or an article) evolves and relaxes as a function of time in social networks like Reddit, Digg and Youtube. This response or popularity is measured in terms of the…

Social and Information Networks · Computer Science 2014-03-20 Rumi Ghosh , Bernardo A. Huberman

Novel aspects of human dynamics and social interactions are investigated by means of mobile phone data. Using extensive phone records resolved in both time and space, we study the mean collective behavior at large scales and focus on the…

Physics and Society · Physics 2009-11-13 J. Candia , M. C. González , P. Wang , T. Schoenharl , G. Madey , A. -L. Barabási

Social, technological and economic time series are divided by events which are usually assumed to be random albeit with some hierarchical structure. It is well known that the interevent statistics observed in these contexts differs from the…

Trading and Market Microstructure · Quantitative Finance 2008-12-02 J. Perello , J. Masoliver , A. Kasprzak , R. Kutner