Dolfsma, Wilfred; Leydesdorff, Loet - eSocialSciences - 2008
data for patents granted by the World Intellectual Property Organization (WIPO), a UN organization to map national … innovations. Rather than analyzing in which fields, or sectors, patents are granted, which would meet with all the drawbacks that … patents have as an indicator for innovation the authors use different information that can be drawn from patents. …