Sphere2Vec: A general-purpose location representation learning over a spherical surface for large-scale geospatial predictions - Gengchen Mai; Yao Xuan; Wenyun Zuo; Yutong He; Jiaming Song; Stefano Ermon; Krzysztof Janowicz; Ni Lao (ISPRS Journal of Photogrammetry and Remote Sensing, 2023)