Author: VPInstitute

  • A bibliometrical analysis of biological invasions under the global climate change.

    Biological invasions seriously threat the global biodiversity and ecosystem health, causing great losses to global environment and economy. However, rapid climate change could significantly affect the diffusion and invasion of alien species. To explore the development situation of biological invasions under climate change could be helpful for better understanding the status and hot spots in…

  • An analysis of industrial districts and Triple Helix of innovation – a regional development experience in the south of the state of Rio de Janeiro

    This work consolidates a research effort to analyze 70 years of economic development in the region of the Paraíba do Sul River, in the south of the state of Rio de Janeiro, Brazil. The paper follows the trajectory of the leader company, steelmaker Companhia Siderúrgica National, and its relations with other local actors, such as…

  • Open Teaching: a New Way on E-learning? (full-text)

    Open Teaching is currently considered an ambiguous and polysemic concept but has nevertheless become a growing global trend in ICT-based education. To identify key issues on the subject, this article presents a study on Open teaching that combines meta-synthesis and content analysis of research published over the last twenty years in major peer-reviewed databases. Six main analytical…

  • Scientific evolutionary pathways: Identifying and visualizing relationships for scientific topics

    Whereas traditional science maps emphasize citation statistics and static relationships, this paper presents a term-based method to identify and visualize the evolutionary pathways of scientific topics in a series of time slices. First, we create a data preprocessing model for accurate term cleaning, consolidating, and clustering. Then we construct a simulated data streaming function and…