Law of corresponding states for open collaborations - Genomic Physics
Article Dans Une Revue Physical Review E Année : 2016

Law of corresponding states for open collaborations

Résumé

We study the relation between number of contributors and product size in Wikipedia and GitHub. In contrast to traditional production, this is strongly probabilistic, but is characterized by two quantitative nonlinear laws: a power-law bound to product size for increasing number of contributors, and the universal collapse of rescaled distributions. A variant of the random-energy model shows that both laws are due to the heterogeneity of contributors, and displays an intriguing finite-size scaling property with no equivalent in standard systems. The analysis uncovers the right intensive densities, enabling the comparison of projects with different numbers of contributors on equal grounds. We use this property to expose the detrimental effects of conflicting interactions in Wikipedia.
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Dates et versions

hal-01323752 , version 1 (31-05-2016)

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Marco Gherardi, Federico Bassetti, Marco Cosentino Lagomarsino. Law of corresponding states for open collaborations. Physical Review E , 2016, 93 (4), pp.042307. ⟨10.1103/PhysRevE.93.042307⟩. ⟨hal-01323752⟩
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