“…In this context, a need has arisen to broaden the traditional approach to the analysis and study of research results, descending to the group or even the individual scale and supplementing the output-, productivity-, visibility-and impactbased focus with new measures that emphasize collaboration from the vantage of structural analysis (Acedo et al, 2006;Bonaccorsi & Daraio, 2003;Börner et al, 2005;Calero et al, 2006;Cohen, 1991;Colman, Dhillon, & Coulthard, 1995;García-Aracil, Gutiérrez Gracia, & Pérez-Martín, 2006;Genest & Thibault, 2001;Kretschmer, 1997;Lee, 2003;Moed et al, 1998;Noyons, Moed, & van Raan, 1999;Qurashi, 1993;Rey-Rocha, Martín-Sempere, & Garzón-García, 2002;Rey-Rocha, Garzón-García, & Martín-Sempere, 2006;Seglen & Aksnes, 2000;van Leeuwen & Moed, 2005).…”