Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Scientometric studies employing bibliometric analyses have been used on many occasions to study scientific specialty profiles (e.g., Rorissa and Yuan 2012; Bajwa et al. 2013; Sanz-Casado et al. 2013) and domain mapping (e.g., White and McCain 1998; Reid and Chen 2007; Liu et al. 2015).
Category: