graph-simple Image retrieval by using graph for feature aggregation. Based on the implementation of https://github.com/williamleif/graphsage-simple s.t. "GraphSage: Representation Learning on Large Graphs." requirements Pytorch: 1.0 Python: 2.7 datasets testing Oxford5k https://www.robots.ox.ac.uk/~vgg/data/oxbuildings/ Parid6k https://www.robots.ox.ac.uk/~vgg/data/parisbuildings/ training landmark_clean https://europe.naverlabs.com/Research/Computer-Vision/Learning-Visual-Representations/Deep-Image-Retrieval/