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16 papers · 1 filter
Finding statistically significant communities in networks
Andrea Lancichinetti, Filippo Radicchi, Jose' Javier Ramasco +1
Community structure is one of the main structural features of networks, revealing both their internal organization and the similarity of their elementary units. Despite the large v…
From Brittle to Ductile Fracture in Disordered Materials
Clara B. Picallo, Juan M. López, Stefano Zapperi +1
We introduce a lattice model able to describe damage and yielding in heterogeneous materials ranging from brittle to ductile ones. Ductile fracture surfaces, obtained when the syst…
Information filtering in complex weighted networks
Filippo Radicchi, José J. Ramasco, Santo Fortunato
Many systems in nature, society and technology can be described as networks, where the vertices are the system's elements and edges between vertices indicate the interactions betwe…
Fluctuations and scaling in creep deformation
Jari Rosti, Juha Koivisto, Lasse Laurson +1
The spatial fluctuations of deformation are studied in creep in the Andrade's power-law and the logarithmic phases, using paper samples. Measurements by the Digital Image Correlati…
Dynamics of person-to-person interactions from distributed RFID sensor networks
Ciro Cattuto, Wouter Van den Broeck, Alain Barrat +3
Digital networks, mobile devices, and the possibility of mining the ever-increasing amount of digital traces that we leave behind in our daily activities are changing the way we ca…
Link creation and profile alignment in the aNobii social network
Luca Maria Aiello, Alain Barrat, Ciro Cattuto +2
The present work investigates the structural and dynamical properties of aNobii\footnote{http://www.anobii.com/}, a social bookmarking system designed for readers and book lovers.…