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- Helsinki Institute of PhysicsFI5 papers
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4 papers · 2 filters
The statistical laws of popularity: Universal properties of the box office dynamics of motion pictures
Raj Kumar Pan, Sitabhra Sinha
Are there general principles governing the process by which certain products or ideas become popular relative to other (often qualitatively similar) competitors? To investigate thi…
Small But Slow World: How Network Topology and Burstiness Slow Down Spreading
M. Karsai, M. Kivelä, R. K. Pan +4
Communication networks show the small-world property of short paths, but the spreading dynamics in them turns out slow. We follow the time evolution of information propagation thro…
Characterizing the community structure of complex networks
Andrea Lancichinetti, Mikko Kivela, Jari Saramaki +1
Community structure is one of the key properties of complex networks and plays a crucial role in their topology and function. While an impressive amount of work has been done on th…
Reciprocity of mobile phone calls
Lauri Kovanen, Jari Saramaki, Kimmo Kaski
We present a study of the reciprocity of human behaviour based on mobile phone usage records. The underlying question is whether human relationships are mutual, in the sense that b…