title: Collaboration networks from a large CV database: dynamics, topology and bonus impact.
abstract: Understanding the dynamics of research production and collaboration may reveal better strategies for scientific careers, academic institutions, and funding agencies. Here we propose the use of a large and multidisciplinary database of scientific curricula in Brazil, namely, the Lattes Platform, to study patterns of scientific production and collaboration. Detailed information about publications and researchers is available in this database. Individual curricula are submitted by the researchers themselves so that coauthorship is unambiguous. Researchers can be evaluated by scientific productivity, geographical location and field of expertise. Our results show that the collaboration network is growing exponentially for the last three decades, with a distribution of number of collaborators per researcher that approaches a power-law as the network gets older. Moreover, both the distributions of number of collaborators and production per researcher obey power-law behaviors, regardless of the geographical location or field, suggesting that the same universal mechanism might be responsible for network growth and productivity. We also show that the collaboration network under investigation displays a typical assortative mixing behavior, where teeming researchers (i.e., with high degree) tend to collaborate with others alike.
authors.affiliation: Departamento de Física, Universidade Federal do Ceará, Ceará, Brazil.
authors.forename: Eduardo B
authors.initials: EB
authors.lastname: Araújo
authors.affiliation: Departamento de Física, Universidade Federal do Ceará, Ceará, Brazil.
authors.forename: André A
authors.initials: AA
authors.lastname: Moreira
authors.affiliation: Núcleo de Aplicação em Tecnologia da Informação, Universidade de Fortaleza, Ceará, Brazil.
authors.forename: Vasco
authors.initials: V
authors.lastname: Furtado
authors.affiliation: Núcleo de Aplicação em Tecnologia da Informação, Universidade de Fortaleza, Ceará, Brazil.
authors.forename: Tarcisio H C
authors.initials: TH
authors.lastname: Pequeno
authors.affiliation: Departamento de Física, Universidade Federal do Ceará, Ceará, Brazil.
authors.forename: José S
authors.initials: JS
authors.lastname: Andrade
mesh_terms: D001319:Authorship; D003299:Cooperative Behavior; D016208:Databases, Factual; D007586:Job Application; D011642:Publications / Q000706:statistics & numerical data; D012108:Research Personnel / Q000706:statistics & numerical data*