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International collaboration by economic groups of countries (1996–2012)
International collaborations were considered when the paper involved different countries, 98 in total. The combination of countries according to economic groups considered... -
International scientific network (authors) statistics
inc- income-level of the country of origin: (3) high-income, (2) middle-income and (1) low-income country. The definitions of the network statics here presented can be found in... -
International Patent Classification (IPC) analysis.
International Patent Classification (IPC) analysis. -
Chemical Patents Index (CPI) manual codes analysis.
Chemical Patents Index (CPI) manual codes analysis.