Xu, J., C. Shi, C. Qi, C. Wang, and B. Xiao. “Unsupervised Part-Based Weighting Aggregation of Deep Convolutional Features for Image Retrieval”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 32, no. 1, Apr. 2018, doi:10.1609/aaai.v32i1.12231.