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:In the network resulting from all these interactions—the human interactome—the cellular components, such as proteins, RNA, or metabolites, serve as nodes and their interactions are
commonly depicted as edges (Schadt 2009; Barabási et al 2011; Caldera et al 2017).
Category: