Collaboration networks from a large CV database: dynamics, topology and bonus impact

PLoS One. 2014 Mar 6;9(3):e90537. doi: 10.1371/journal.pone.0090537. eCollection 2014.

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.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Authorship
  • Cooperative Behavior*
  • Databases, Factual*
  • Job Application*
  • Publications / statistics & numerical data
  • Research Personnel / statistics & numerical data*

Grants and funding

Project funded by the Brazilian Agencies CNPq (www.cnpq.br), CAPES (www.capes.gov.br), FUNCAP (www.funcap.ce.gov.br), the FUNCAP/CNPq Pronex grant, and the National Institute of Science and Technology for Complex Systems in Brazil. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.