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:Through experiments, the performances of RSNets are compared with various state-of-the-art 3D segmentation methods including 3D volumes based methods [20], spectral CNN based method [24], and point clouds based methods [13, 15, 10].
Category: