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:, 2010), Symfeat (SYM for short) dataset (Hauagge and Snavely, 2012) and VGG dataset (Mikolajczyk and Schmid, 2005).
Category: