| Issue |
Europhys. Lett.
Volume 72, Number 5, December 2005
|
|
|---|---|---|
| Page(s) | 858 - 864 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2005-10314-9 | |
| Published online | 03 November 2005 | |
Logarithmic growth dynamics in software networks
1
ICREA-Complex Systems Lab, Universitat Pompeu Fabra Dr. Aiguader 80, 08003 Barcelona, Spain
2
Santa Fe Institute - 1399 Hyde Park Road, Santa Fe, NM 87501, USA
Received:
16
August
2005
Accepted:
5
October
2005
In a recent paper, Krapivsky and Redner (Phys. Rev. E, 71 (2005) 036118) proposed a new growing network model with new nodes being attached to a randomly selected node, as well to all ancestors of the target node. The model leads to a sparse graph with an average degree growing logarithmically with the system size. Here we present compeling evidence for software networks being the result of a similar class of growing dynamics. The predicted pattern of network growth, as well as the stationary in- and out-degree distributions are consistent with the model. Our results confirm the view of large-scale software topology being generated through duplication-rewiring mechanisms. Implications of these findings are outlined.
PACS: 89.75.-k – Complex systems / 89.65.-s – Social and economic systems / 05.10.-a – Computational methods in statistical physics and nonlinear dynamics
© EDP Sciences, 2005
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